Conant, M. A. (1979). Access to energy: 2000 and after. The University Pr.
Chicago Style (17th ed.) ZitazioaConant, Melvin A. Access to Energy: 2000 and After. Kentucky: The University Pr, 1979.
MLA (9th ed.) ZitazioaConant, Melvin A. Access to Energy: 2000 and After. The University Pr, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.