APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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