World Intellectual Property Organization. (2019). Madrid Agreement Concerning the International Registration of Marks; Protocol Relating to the Madrid Agreement; Regulations; Administrative Instructions. World Intellectual Property Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Intellectual Property Organization. Madrid Agreement Concerning the International Registration of Marks; Protocol Relating to the Madrid Agreement; Regulations; Administrative Instructions. World Intellectual Property Organization, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Intellectual Property Organization. Madrid Agreement Concerning the International Registration of Marks; Protocol Relating to the Madrid Agreement; Regulations; Administrative Instructions. World Intellectual Property Organization, 2019.