Conant, M. A. (1986). The world gas trade: A resource for the futur. Westview.
Cita Chicago (17th ed.)Conant, Melvin A. The World Gas Trade: A Resource for the Futur. Boulder, Colo: Westview, 1986.
Cita MLA (9th ed.)Conant, Melvin A. The World Gas Trade: A Resource for the Futur. Westview, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.