References - Biology bibliographies - in Harvard style

In-text: (Bharti, n.d.)

Your Bibliography: Bharti, S., n.d. Biology investigation - the effect of pH on enzyme activity. [online] S3.amazonaws.com. Available at: <http://s3.amazonaws.com/zanran_storage/www1.qsi.org/ContentPages/17609531.pdf> [Accessed 24 June 2018].

In-text: (catalase | Function & Applications, n.d.)

Your Bibliography: Encyclopedia Britannica. n.d. catalase | Function & Applications. [online] Available at: <https://www.britannica.com/science/catalase> [Accessed 24 June 2018].

In-text: (Gillespie, 2018)

Your Bibliography: Gillespie, C., 2018. PH Levels of Catalase. [online] Sciencing.com. Available at: <https://sciencing.com/ph-levels-catalase-6826245.html> [Accessed 24 June 2018].

In-text: (Experiment - the effect of pH on catalase activity, n.d.)

Your Bibliography: Resources.hwb.wales.gov.uk. n.d. Experiment - the effect of pH on catalase activity. [online] Available at: <http://resources.hwb.wales.gov.uk/VTC/Phase1/wales/aslevel/biology/molecules/enzymes/Factorsaffectingenzymefunctioning/ExperimenttheeffectofpHoncatalaseactivity/default.htm> [Accessed 24 June 2018].

In-text: (The Liver: Helping Enzymes Help You!, 2012)

Your Bibliography: Scientific American. 2012. The Liver: Helping Enzymes Help You!. [online] Available at: <https://www.scientificamerican.com/article/bring-science-home-liver-helping-enzymes/> [Accessed 24 June 2018].

In-text: (Biology Practical Report - Enzyme Reactions, n.d.)

Your Bibliography: Stage6.pbworks.com. n.d. Biology Practical Report - Enzyme Reactions. [online] Available at: <http://stage6.pbworks.com/f/Enzymes+Practical.pdf> [Accessed 24 June 2018].