Conant, M. A. (1979). Access to energy: 2000 and after. The University Pr.
Tohutoru Kātū Chicago (17th ed.)Conant, Melvin A. Access to Energy: 2000 and After. Kentucky: The University Pr, 1979.
Tohutoro MLA (9th ed.)Conant, Melvin A. Access to Energy: 2000 and After. The University Pr, 1979.
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