Gaya APA

Walker, C.H.. (1997). Principles Of Ecotoxicology . London: TAYLOR & FRANCIS.

Gaya Chicago

Walker, C.H.. Principles Of Ecotoxicology. London: TAYLOR & FRANCIS, 1997. .

Gaya MLA

Walker, C.H.. Principles Of Ecotoxicology. London: TAYLOR & FRANCIS, 1997. .

Gaya Turabian

Walker, C.H.. Principles Of Ecotoxicology. London: TAYLOR & FRANCIS, 1997. .