Dyfyniad APA

Hoffman, D. J., & ...[et al.]. (2003). Handbook of ecotoxicology (2nd ed.). Lewis Publishers.

Dyfyniad Arddull Chicago

Hoffman, David J., and ...[et al.]. Handbook of Ecotoxicology. 2nd ed. Boca Raton: Lewis Publishers, 2003.

Dyfyniad MLA

Hoffman, David J., and ...[et al.]. Handbook of Ecotoxicology. 2nd ed. Lewis Publishers, 2003.

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