Institute of National Planning. (1974). An Economic study of the Egyptian cement industry. Institute of National Planning.
Chicago-Zitierstil (17. Ausg.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Cairo: Institute of National Planning, 1974.
MLA-Zitierstil (9. Ausg.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Institute of National Planning, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.