APA aipamena

Gray, J. E. (1975). Energy policy: Industry perspectives. Ballinger Pub. Co..

Chicago Style aipamena

Gray, John E. Energy Policy: Industry Perspectives. Cambridge, Mass.: Ballinger Pub. Co., 1975.

MLA aipamena

Gray, John E. Energy Policy: Industry Perspectives. Ballinger Pub. Co., 1975.