Dyfyniad APA

Richards, I. S., & Ira S Richards. (2008). Principles and Practice of Toxicology in Public Health. Jones and Bartlett Publishers.

Dyfyniad Arddull Chicago

Richards, Ira S., and Ira S Richards. Principles and Practice of Toxicology in Public Health. Boston: Jones and Bartlett Publishers, 2008.

Dyfyniad MLA

Richards, Ira S., and Ira S Richards. Principles and Practice of Toxicology in Public Health. Jones and Bartlett Publishers, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.