University of Illinois at Urbana-Champaign. Graduate School of Library and Information Science\nUniversity of Illinois (Urbana-Champaign campus). Library School. (1952). Library Trends. University of Illinois Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Illinois at Urbana-Champaign. Graduate School of Library and Information Science\nUniversity of Illinois (Urbana-Champaign campus). Library School. Library Trends. Champaign, Ill: University of Illinois Press, 1952.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Illinois at Urbana-Champaign. Graduate School of Library and Information Science\nUniversity of Illinois (Urbana-Champaign campus). Library School. Library Trends. University of Illinois Press, 1952.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.