Conant, M. A. (1979). Access to energy: 2000 and after. The University Pr.
Cita Chicago (17th ed.)Conant, Melvin A. Access to Energy: 2000 and After. Kentucky: The University Pr, 1979.
Cita MLA (9th ed.)Conant, Melvin A. Access to Energy: 2000 and After. The University Pr, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.