Dyfyniad APA

Walker, C., & ...[et al.]. (2006). Principles of ecotoxicology (3rd ed.). CRC Press.

Dyfyniad Arddull Chicago

Walker, C.H, and ...[et al.]. Principles of Ecotoxicology. 3rd ed. Boca Raton: CRC Press, 2006.

Dyfyniad MLA

Walker, C.H, and ...[et al.]. Principles of Ecotoxicology. 3rd ed. CRC Press, 2006.

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