Gaya APA
DI, U. (1986).
USP DI, Advice for The Patient: Drug Information in Lay Language. Vol. II (6th. ed.).
Rockville:
USP Convention.
Gaya MLA
DI, USP.
"USP DI, Advice for The Patient: Drug Information in Lay Language. Vol. II".
6th. ed.
Rockville:
USP Convention,
1986.
Text.