APA Zitierstil

Dupree, W. G. (1972). United States Energy Through the Year 2000. Washington: U.S. Department of teh Interior.

Chicago Zitierstil

Dupree, Walter G. United States Energy Through the Year 2000. Washington: U.S. Department of teh Interior, 1972.

MLA Zitierstil

Dupree, Walter G. United States Energy Through the Year 2000. Washington: U.S. Department of teh Interior, 1972.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.