Gaya APA

Ansel, H, C, A, S, S. (2017). Pharmaceutical Calculations (15 Th ed). New York: Wolters Kluwer.

Gaya MLA

Ansel, Howard, C, And, Stockton,, Shelly. "Pharmaceutical Calculations". 15 Th ed New York: Wolters Kluwer, 2017. Text.