Winger, J. G. (1968). Outlook for energy in the United States. New York: The Chase Manhattan.
Dyfyniad Arddull ChicagoWinger, John G. Outlook for Energy in the United States. New York: The Chase Manhattan, 1968.
Dyfyniad MLAWinger, John G. Outlook for Energy in the United States. New York: The Chase Manhattan, 1968.
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