United States Pharmacopeial Convention. (1999). USP DI: United States pharmacopeia dispensing information. United States Pharmacopeial Convention.
Chicago-viite (17. p.)United States Pharmacopeial Convention. USP DI: United States Pharmacopeia Dispensing Information. Rockville, MM: United States Pharmacopeial Convention, 1999.
MLA-viite (9. p.)United States Pharmacopeial Convention. USP DI: United States Pharmacopeia Dispensing Information. United States Pharmacopeial Convention, 1999.
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