Gaya APA

PRATT, C, W., CORNELY, K. (2004). (E)ESSENTIAL BIOCHEMISTRY (ed 3). United States of America: John Wiley and Sons.

Gaya MLA

PRATT, CHARLOTTE, W.., CORNELY, KATHLEEN. "(E)ESSENTIAL BIOCHEMISTRY". ed 3 United States of America: John Wiley and Sons, 2004. Text.