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.
.