Παραπομπή APA

Abdel-Aal, H. K. (1976). Petroleum economics and engineering: An introduction. Marcel Dekker.

Παραπομπή Chicago Style

Abdel-Aal, Hussein K. Petroleum Economics and Engineering: An Introduction. New York: Marcel Dekker, 1976.

Παραπομπή MLA

Abdel-Aal, Hussein K. Petroleum Economics and Engineering: An Introduction. Marcel Dekker, 1976.