Los Angeles. University of Southern California. School of Library Science. (1959). Modern trends in documentation: Proceedings of a syposium held at the University of Southern California, April 1958. Pergamon Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Los Angeles. University of Southern California. School of Library Science. Modern Trends in Documentation: Proceedings of a Syposium Held at the University of Southern California, April 1958. London: Pergamon Press, 1959.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Los Angeles. University of Southern California. School of Library Science. Modern Trends in Documentation: Proceedings of a Syposium Held at the University of Southern California, April 1958. Pergamon Press, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.