Gaya APA

Convention, U, S, P. (1991). Drug Information for the Health care Professional Vol.1A (Edisi 11 Volume 1). Rockville: United States Pharmacopeial Convention.

Gaya MLA

Convention, United, States, Pharmacopeial. "Drug Information for the Health care Professional Vol.1A". Edisi 11 Volume 1 Rockville: United States Pharmacopeial Convention, 1991. Text.