Cita APA

North, F. K. (1990). Petroleum geology. Unwin Hyman.

Chicago Edition Citation

North, F K. Petroleum Geology. Boston: Unwin Hyman, 1990.

Cita MLA

North, F K. Petroleum Geology. Unwin Hyman, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.