The European Community, EC. (1999). Nile valley and red sea regional program on cool-season food legumes, cereals, and resource management: Annual report : 1998/99 : Egypt. Agriclutural research center (ARC) ; International center for agricultural research in the dry areas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The European Community, EC. Nile Valley and Red Sea Regional Program on Cool-season Food Legumes, Cereals, and Resource Management: Annual Report : 1998/99 : Egypt. Cairo: Agriclutural research center (ARC) ; International center for agricultural research in the dry areas, 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)The European Community, EC. Nile Valley and Red Sea Regional Program on Cool-season Food Legumes, Cereals, and Resource Management: Annual Report : 1998/99 : Egypt. Agriclutural research center (ARC) ; International center for agricultural research in the dry areas, 1999.