Cita APA (7th ed.)

Institute of National Planning. (1974). An Economic study of the Egyptian cement industry. Institute of National Planning.

Cita Chicago (17th ed.)

Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Cairo: Institute of National Planning, 1974.

Cita MLA (9th ed.)

Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Institute of National Planning, 1974.