Academy of Political Science (U.S.). (1928). Proceedings of the Academy of Political Science. Academy of Political Science, Columbia University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Academy of Political Science (U.S.). Proceedings of the Academy of Political Science. New York: Academy of Political Science, Columbia University, 1928.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Academy of Political Science (U.S.). Proceedings of the Academy of Political Science. Academy of Political Science, Columbia University, 1928.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.