APA aipamena

Craig, P. J. (1980). The Natural environment and the biogeochemical cycles. Berlin ; New York: Springer-Verlag.

Chicago Style aipamena

Craig, P. J. The Natural Environment and the Biogeochemical Cycles. Berlin ; New York: Springer-Verlag, 1980.

MLA aipamena

Craig, P. J. The Natural Environment and the Biogeochemical Cycles. Berlin ; New York: Springer-Verlag, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.