Sakr, S. A. (1971). Development Alternatives in Egypt in 1974/75. The Institute of National Planning.
Cita Chicago (17th ed.)Sakr, Sakr Ahmed. Development Alternatives in Egypt in 1974/75. Cairo: The Institute of National Planning, 1971.
Cita MLA (9th ed.)Sakr, Sakr Ahmed. Development Alternatives in Egypt in 1974/75. The Institute of National Planning, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.