Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.