Klaassen, C. D., & Watkins III, J. B. (2003). Casarett and Doull's Essentials of Toxicology. The McGraw-Hill Companies.
Chicago-viite (17. p.)Klaassen, Curtis D., ja John B. Watkins III. Casarett and Doull's Essentials of Toxicology. USA: The McGraw-Hill Companies, 2003.
MLA-viite (9. p.)Klaassen, Curtis D., ja John B. Watkins III. Casarett and Doull's Essentials of Toxicology. The McGraw-Hill Companies, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.