Association of Research Libraries. Systems and Procedures Exchange Center. (1984). Copyright policies in ARL libraries. Association of Research Libraries, Office of Management Studies, Systems and Procedures Exchange Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Association of Research Libraries. Systems and Procedures Exchange Center. Copyright Policies in ARL Libraries. Washington, D.C.: Association of Research Libraries, Office of Management Studies, Systems and Procedures Exchange Center, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Association of Research Libraries. Systems and Procedures Exchange Center. Copyright Policies in ARL Libraries. Association of Research Libraries, Office of Management Studies, Systems and Procedures Exchange Center, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.