Gaya APA
Butler, G.C. (1978).
Principles of ecotoxicology .
Great Britain:
SCOPE.
Gaya Chicago
Butler, G.C.
Principles of ecotoxicology.
Great Britain:
SCOPE,
1978.
Text.
Gaya MLA
Butler, G.C.
Principles of ecotoxicology.
Great Britain:
SCOPE,
1978.
Text.
Gaya Turabian
Butler, G.C.
Principles of ecotoxicology.
Great Britain:
SCOPE,
1978.
Print.