APA aipamena

Chapman, R. E. (1973). Petroleum geology: A concise study. Elsevier Scientific Pub. Co..

Chicago Style aipamena

Chapman, Richard E. Petroleum Geology: A Concise Study. Amsterdam, New York: Elsevier Scientific Pub. Co., 1973.

MLA aipamena

Chapman, Richard E. Petroleum Geology: A Concise Study. Elsevier Scientific Pub. Co., 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.