Gaya APA

KLAASSEN, C, D. (2015). CASARETT & DOULL'S ESSENTIALS OF TOXICOLOGY (THIRD). UNITED STATE OF AMERICA: MC GRAW HILL EDCATON.

Gaya MLA

KLAASSEN, CURTIS, D.. "CASARETT & DOULL'S ESSENTIALS OF TOXICOLOGY". THIRD UNITED STATE OF AMERICA: MC GRAW HILL EDCATON, 2015. Text.