توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Egypt. (1992). Set of Laws and Decrees on Egyptian federation of construction & building contractors. The middle East Library for Economics Services.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Egypt. Set of Laws and Decrees on Egyptian Federation of Construction & Building Contractors. Cairo: The middle East Library for Economics Services, 1992.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Egypt. Set of Laws and Decrees on Egyptian Federation of Construction & Building Contractors. The middle East Library for Economics Services, 1992.