Chapman, R. E. (1973). Petroleum geology: A concise study. Elsevier Scientific Pub. Co..
Chicago Style aipamenaChapman, Richard E. Petroleum Geology: A Concise Study. Amsterdam, New York: Elsevier Scientific Pub. Co., 1973.
MLA aipamenaChapman, Richard E. Petroleum Geology: A Concise Study. Elsevier Scientific Pub. Co., 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.