Gaya APA
SCHLESINGER, W, H. (1991).
Biogeochemistry an analysis of glabal change .
California:
Macmillan academic and Profesional Ltd.
Gaya MLA
SCHLESINGER, William, H.
"Biogeochemistry an analysis of glabal change".
California:
Macmillan academic and Profesional Ltd,
1991.
Text.