maths ia - Math bibliographies - in Harvard style

In-text: (∂, n.d.)

Your Bibliography: En.wikipedia.org. n.d. ∂. [online] Available at: <https://en.wikipedia.org/wiki/∂> [Accessed 10 April 2018].

In-text: (Mathematical optimization, n.d.)

Your Bibliography: En.wikipedia.org. n.d. Mathematical optimization. [online] Available at: <https://en.wikipedia.org/wiki/Mathematical_optimization> [Accessed 10 April 2018].

In-text: (Partial differential equation | mathematics, n.d.)

Your Bibliography: Encyclopedia Britannica. n.d. Partial differential equation | mathematics. [online] Available at: <https://www.britannica.com/topic/partial-differential-equation> [Accessed 10 April 2018].

In-text: (Introduction to partial derivatives, n.d.)

Your Bibliography: Khan Academy. n.d. Introduction to partial derivatives. [online] Available at: <https://www.khanacademy.org/math/multivariable-calculus/multivariable-derivatives/partial-derivative-and-gradient-articles/a/introduction-to-partial-derivatives> [Accessed 10 April 2018].

In-text: (The Hessian matrix, 2016)

Your Bibliography: YouTube. 2016. The Hessian matrix. [online] Available at: <https://www.youtube.com/watch?v=LbBcuZukCAw> [Accessed 10 April 2018].

In-text: (The Lagrangian, 2016)

Your Bibliography: YouTube. 2016. The Lagrangian. [online] Available at: <https://www.youtube.com/watch?v=hQ4UNu1P2kw&t=218s> [Accessed 10 April 2018].

In-text: (3 x 3 determinant | Matrix transformations | Linear Algebra | Khan Academy, 2009)

Your Bibliography: YouTube. 2009. 3 x 3 determinant | Matrix transformations | Linear Algebra | Khan Academy. [online] Available at: <https://www.youtube.com/watch?v=0c7dt2SQfLw> [Accessed 10 April 2018].