एपीए उद्धरण

Abdel-Aal, H. K. (1976). Petroleum economics and engineering. New York: Marcel Decker.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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