Gaya APA

Butler, S, K., Govindan, R. (2011). Essential Cancer Pharmacology : The Prescriber's Guide . Philadelphia: Wolters Kluwer.

Gaya MLA

Butler, Sara, K.., Govindan, Ramaswamy. "Essential Cancer Pharmacology : The Prescriber's Guide". Philadelphia: Wolters Kluwer, 2011. Text.