Egypt. Ministry of trade and industry. The Egyptian Customs Authority. (2016). Presidential decree law no. 53/2014 amending some provisions of the income tax law no. 91/2005 and the stamp duty law no. 111/1980. Middle East Library for Economic Services.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Egypt. Ministry of trade and industry. The Egyptian Customs Authority. Presidential Decree Law No. 53/2014 Amending Some Provisions of the Income Tax Law No. 91/2005 and the Stamp Duty Law No. 111/1980. Cairo: Middle East Library for Economic Services, 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Egypt. Ministry of trade and industry. The Egyptian Customs Authority. Presidential Decree Law No. 53/2014 Amending Some Provisions of the Income Tax Law No. 91/2005 and the Stamp Duty Law No. 111/1980. Middle East Library for Economic Services, 2016.