Παραπομπή APA

Levin, S. A. (1989). Ecotoxicology: Problems and approaches. Springer-Verlag.

Παραπομπή Chicago Style

Levin, Simon A. Ecotoxicology: Problems and Approaches. New York: Springer-Verlag, 1989.

Παραπομπή MLA

Levin, Simon A. Ecotoxicology: Problems and Approaches. Springer-Verlag, 1989.