Gaya APA
Lacy, C., F. et al. (2012).
Drug Information Handbook with international trade names index Book 1 2011-2012 (Ed. 20).
American:
Lexicomp Apha.
Gaya MLA
Lacy, C., F. et al..
Drug Information Handbook with international trade names index Book 1 2011-2012.
Ed. 20
American:
Lexicomp Apha,
2012.
Text.