Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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