Gaya APA

Pharmacopeia, T, U, S. (2009). USP - NF: The Official Compendia of Standards (Vol. 2 ed. 1). Maryland, Baltimore: The United States Pharmacopeial.

Gaya MLA

Pharmacopeia, The, United, States. "USP - NF: The Official Compendia of Standards". Vol. 2 ed. 1 Maryland, Baltimore: The United States Pharmacopeial, 2009. Text.