Dyfyniad APA

United States Pharmacopeial Convention. (2006). USP NF 2006. United States Pharmacopeial Convention, Inc.

Dyfyniad Arddull Chicago

United States Pharmacopeial Convention. USP NF 2006. Rockville, Md: United States Pharmacopeial Convention, Inc, 2006.

Dyfyniad MLA

United States Pharmacopeial Convention. USP NF 2006. United States Pharmacopeial Convention, Inc, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.