Gaya APA

Klaassen, C, D., B, W, I, J. (1999). Casarett and Doull's Toxicology: The Basic Science of Poisons (5th.ed). New York: McGraw Hill.

Gaya MLA

Klaassen, Curtis, D., B, Watkins, III,, John. "Casarett and Doull's Toxicology: The Basic Science of Poisons". 5th.ed New York: McGraw Hill, 1999. Text.