APA Style
Hammad, H, Y. (1970).
Ground Water Potentialities In The African Sahara And The Nile Valley (1).
Beirut Lebanon:
Beirut Arab University.
MLA Style
Hammad, Hammad, Y.
"Ground Water Potentialities In The African Sahara And The Nile Valley".
1
Beirut Lebanon:
Beirut Arab University,
1970.
Text.