APA

Ashraf Mahmoud Osman EL Maghraby, F.Basta, M.EL Sharkawy & M. A. Takla. (1994). Geology , Petrology, And Geochemistry Of The Pre- Cambrian Rocks Between Wadi Ghadir And Wadi EL- Gemal, Eastern Desert , Egypt. : .

Chicago

Ashraf Mahmoud Osman EL Maghraby, F.Basta, M.EL Sharkawy and M. A. Takla. 1994. Geology , Petrology, And Geochemistry Of The Pre- Cambrian Rocks Between Wadi Ghadir And Wadi EL- Gemal, Eastern Desert , Egypt. : .

Harvard

Ashraf Mahmoud Osman EL Maghraby, F.Basta, M.EL Sharkawy and M. A. Takla. (1994). Geology , Petrology, And Geochemistry Of The Pre- Cambrian Rocks Between Wadi Ghadir And Wadi EL- Gemal, Eastern Desert , Egypt. : .

MLA

Ashraf Mahmoud Osman EL Maghraby, F.Basta, M.EL Sharkawy and M. A. Takla. Geology , Petrology, And Geochemistry Of The Pre- Cambrian Rocks Between Wadi Ghadir And Wadi EL- Gemal, Eastern Desert , Egypt. : . 1994.