Dyfyniad APA

Hayes, A. W. (2008). Principles and methods of toxicology (5th ed.). CRC Press.

Dyfyniad Arddull Chicago

Hayes, A. Wallace. Principles and Methods of Toxicology. 5th ed. Boca Raton: CRC Press, 2008.

Dyfyniad MLA

Hayes, A. Wallace. Principles and Methods of Toxicology. 5th ed. CRC Press, 2008.

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