El-sharkawy, A. L., & .Kummler, R. H. Advances in energy & environment. [s.n.].
Lua i Stíl Chicago (17ú heag.)El-sharkawy, Abdul Latif, agus Ralph H. .Kummler. Advances in Energy & Environment. [s.l.]: [s.n.].
Lua MLA (9ú heag.)El-sharkawy, Abdul Latif, agus Ralph H. .Kummler. Advances in Energy & Environment. [s.n.].
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.