United States Pharmacopeial Convention. (2015). USP 38- NF 33. The Convention.
Cita Chicago Style (17a ed.)United States Pharmacopeial Convention. USP 38- NF 33. Rockville, MD: The Convention, 2015.
Cita MLA (8a ed.)United States Pharmacopeial Convention. USP 38- NF 33. The Convention, 2015.
Precaución: Estas citas no son 100% exactas.