Sabet, A. H. (1961). Geology and mineral deposits of Gebel el Sibai area, Red Sea Hills, Egypt, U.A.R. Excelsior.
Dyfyniad Arddull ChicagoSabet, Atef Hassan. Geology and Mineral Deposits of Gebel El Sibai Area, Red Sea Hills, Egypt, U.A.R. Rijswijk: Excelsior, 1961.
Dyfyniad MLASabet, Atef Hassan. Geology and Mineral Deposits of Gebel El Sibai Area, Red Sea Hills, Egypt, U.A.R. Excelsior, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.