Institute of National Planning. (1974). An Economic study of the Egyptian cement industry. Institute of National Planning.
Chicagoスタイル(17版)引用形式Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Cairo: Institute of National Planning, 1974.
MLA(9版)引用形式Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Institute of National Planning, 1974.
警告: この引用は必ずしも正確ではありません.