Dyfyniad APA

Dix, S. M. (1977). Energy: A critical decision for the United States economy (Rev. ed.). Energy Education Publishers.

Dyfyniad Arddull Chicago

Dix, Samuel M. Energy: A Critical Decision for the United States Economy. Rev. ed. Grand Rapids: Energy Education Publishers, 1977.

Dyfyniad MLA

Dix, Samuel M. Energy: A Critical Decision for the United States Economy. Rev. ed. Energy Education Publishers, 1977.

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