University of Illinois (Urbana-Champaign campus). Graduate School of Library Science. Occasional papers. University of illinois Graduate School of Library Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Illinois (Urbana-Champaign campus). Graduate School of Library Science. Occasional Papers. Urbana, Ill.: University of illinois Graduate School of Library Science.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Illinois (Urbana-Champaign campus). Graduate School of Library Science. Occasional Papers. University of illinois Graduate School of Library Science.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.