Gaya APA

Mancke, R, B. (1977). Providing for Energy: Report of the Twentieth Century Fund Task Force on United States Energy Policy . New York: McGraw-Hill Book Company.

Gaya MLA

Mancke, Richard, B.. "Providing for Energy: Report of the Twentieth Century Fund Task Force on United States Energy Policy". New York: McGraw-Hill Book Company, 1977. Text.