Gaya APA

Convention, T, U, S, P. (1985). The united states pharmacopeia XXI, the national formulary XVI (Ed. 21). Parkway: The United States Pharmacopeia Conve.

Gaya MLA

Convention, The, United, States, Pharmacopeial. "The united states pharmacopeia XXI, the national formulary XVI". Ed. 21 Parkway: The United States Pharmacopeia Conve, 1985. FAKULTAS FARMASI.