Youssef, M. Y. (1969). A Model for the Optimal use of the high dam project. The Institute of National Planning.
Чикаго стиль цитування (17-те видання)Youssef, Mohammed Yehia. A Model for the Optimal Use of the High Dam Project. Cairo: The Institute of National Planning, 1969.
Стиль цитування MLA (9-ме видання)Youssef, Mohammed Yehia. A Model for the Optimal Use of the High Dam Project. The Institute of National Planning, 1969.