Adelman, M. A. (1972). The world petroleum market. Published for Resources for the Future by Johns Hopkins University Press.
Dyfyniad Arddull ChicagoAdelman, M. A. The World Petroleum Market. Baltimore: Published for Resources for the Future by Johns Hopkins University Press, 1972.
Dyfyniad MLAAdelman, M. A. The World Petroleum Market. Published for Resources for the Future by Johns Hopkins University Press, 1972.