Gaya APA

Klaassen, C, D. (2008). Casarett & Doull's Toxicology : The Basic Science of Poisons . New York: McGrawHill.

Gaya MLA

Klaassen, Curtis, D.. "Casarett & Doull's Toxicology : The Basic Science of Poisons". New York: McGrawHill, 2008. Text.