El-sharkawy, A. L., & .Kummler, R. H. Advances in energy & environment. [s.n.].
Cita Chicago (17th ed.)El-sharkawy, Abdul Latif, i Ralph H. .Kummler. Advances in Energy & Environment. [s.l.]: [s.n.].
Cita MLA (9th ed.)El-sharkawy, Abdul Latif, i Ralph H. .Kummler. Advances in Energy & Environment. [s.n.].
Atenció: Aquestes cites poden no estar 100% correctes.