APA aipamena

United States Pharmacopeial Convention. (2015). USP 38- NF 33. The Convention.

Chicago Style aipamena

United States Pharmacopeial Convention. USP 38- NF 33. Rockville, MD: The Convention, 2015.

MLA aipamena

United States Pharmacopeial Convention. USP 38- NF 33. The Convention, 2015.