Gaya APA
Watkins, J, B., Klaassen, C, D. (2007).
Casarett & Doull's Essentials of Toxicology (Chapter 22) .
615.9:
McGraww Hill Companies.
Gaya MLA
Watkins, John, B.., Klaassen, Curtis, D..
"Casarett & Doull's Essentials of Toxicology (Chapter 22)".
615.9:
McGraww Hill Companies,
2007.
Text.