Institute of National Planning. (1974). An Economic study of the Egyptian cement industry. Institute of National Planning.
Citação do estilo Chicago (17ª ed.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Cairo: Institute of National Planning, 1974.
Citação MLA (9ª ed.)Institute of National Planning. An Economic Study of the Egyptian Cement Industry. Institute of National Planning, 1974.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.