Which mathematician has been most influential towards the development of pi? - Math bibliographies - in Harvard style

In-text: (Archimedes, 2016)

Your Bibliography: Archimedes, T., 2016. The Computation of Pi by Archimedes - File Exchange - MATLAB Central. [online] Uk.mathworks.com. Available at: <http://uk.mathworks.com/matlabcentral/fileexchange/29504-the-computation-of-pi-by-archimedes?focused=6011243&tab=example#37> [Accessed 11 February 2018].

In-text: (Arndt and Haenel, 2001)

Your Bibliography: Arndt, J. and Haenel, C., 2001. Pi Unleashed. Berlin [etc.]: Springer.

In-text: (Beckmann, 1982)

Your Bibliography: Beckmann, P., 1982. A history of [pi symbol] (pi). Boulder, Colo.: Golem Press.

In-text: (Blatner, 1999)

Your Bibliography: Blatner, D., 1999. The joy of [pi]. New York: Walker and Co.

In-text: (Boyer, 1989)

Your Bibliography: Boyer, C., 1989. A History of Mathematics. 2nd ed. New York: John Wiley & Sons, Inc.

In-text: (Clark, 1930)

Your Bibliography: Clark, W., 1930. The Aryabhatiya of Aryabhata. Chicago: The University of Chicago Press.

In-text: (Liu Hui's π algorithm, 2018)

Your Bibliography: En.wikipedia.org. 2018. Liu Hui's π algorithm. [online] Available at: <https://en.wikipedia.org/wiki/Liu_Hui%27s_%CF%80_algorithm> [Accessed 19 February 2018].

In-text: (Negative number, 2018)

Your Bibliography: En.wikipedia.org. 2018. Negative number. [online] Available at: <https://en.wikipedia.org/wiki/Negative_number> [Accessed 19 February 2018].

In-text: (Pi, 2018)

Your Bibliography: En.wikipedia.org. 2018. Pi. [online] Available at: <https://en.wikipedia.org/wiki/Pi> [Accessed 18 February 2018].

In-text: (Archimedes Facts & Biography | Famous Mathematicians, 2018)

Your Bibliography: Famous-mathematicians.org. 2018. Archimedes Facts & Biography | Famous Mathematicians. [online] Available at: <http://famous-mathematicians.org/archimedes/> [Accessed 11 February 2018].

In-text: (Joy of Pi | Pi Links, 2018)

Your Bibliography: Joyofpi.com. 2018. Joy of Pi | Pi Links. [online] Available at: <https://www.joyofpi.com/pifacts4.html> [Accessed 20 February 2018].

In-text: (How Many Decimals of Pi Do We Really Need? - Edu News | NASA/JPL Edu, 2016)

Your Bibliography: NASA/JPL Edu. 2016. How Many Decimals of Pi Do We Really Need? - Edu News | NASA/JPL Edu. [online] Available at: <https://www.jpl.nasa.gov/edu/news/2016/3/16/how-many-decimals-of-pi-do-we-really-need/> [Accessed 6 February 2018].

In-text: (Rothman, 2009)

Your Bibliography: Rothman, P., 2009. William Jones and his Circle: The Man who invented Pi. History Today, [online] (59). Available at: <https://www.historytoday.com/patricia-rothman/william-jones-and-his-circle-man-who-invented-pi> [Accessed 20 February 2018].

In-text: (Brahmagupta - Indian Mathematics - The Story of Mathematics, 2010)

Your Bibliography: Storyofmathematics.com. 2010. Brahmagupta - Indian Mathematics - The Story of Mathematics. [online] Available at: <http://www.storyofmathematics.com/indian_brahmagupta.html> [Accessed 19 February 2018].

In-text: (The New Yorker, 1992)

Your Bibliography: The New Yorker, 1992. The Mountains of Pi. [online] Available at: <https://www.newyorker.com/magazine/1992/03/02/the-mountains-of-pi> [Accessed 21 February 2018].

In-text: (Trueb, 2016)

Your Bibliography: Trueb, P., 2016. 22.4 trillion digits of pi. [online] Pi2e.ch. Available at: <http://pi2e.ch/> [Accessed 21 February 2018].

In-text: (Tsaban and Garber, 1998)

Your Bibliography: Tsaban, B. and Garber, D., 1998. On the Rabbinical Approximation of π. [online] Science Direct. Available at: <https://www.sciencedirect.com/science/article/pii/S0315086097921856.> [Accessed 19 February 2018].

In-text: (Zebrowski, 1999)

Your Bibliography: Zebrowski, E., 1999. A history of the circle, mathematical reasoning and the physical univers. London: Free Association Books.