Gaya APA
Lacy, C, F. (2011).
Drug Information Handbook Edisi 20 jilid 2 (Edisi 20).
United States:
American Pharmaceutical Association.
Gaya MLA
Lacy, Charles, F..
"Drug Information Handbook Edisi 20 jilid 2".
Edisi 20
United States:
American Pharmaceutical Association,
2011.
Text.