Gaya APA

Klaassen, C, D. (2008). Casarett and diull's Toxicology : The basic science of poisons (7). New York: McGraw-Hill.

Gaya MLA

Klaassen, Curtis, D.. "Casarett and diull's Toxicology : The basic science of poisons". 7 New York: McGraw-Hill, 2008. eBook Kesehatan Masyarakat.