The middle east library for economic services. Ministerial decree No. 817/2015 on writing the number of the Egyptian standard specification on the products, packs or commodities.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The middle east library for economic services. Ministerial Decree No. 817/2015 on Writing the Number of the Egyptian Standard Specification on the Products, Packs or Commodities.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)The middle east library for economic services. Ministerial Decree No. 817/2015 on Writing the Number of the Egyptian Standard Specification on the Products, Packs or Commodities.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.