Hanley, M. D. (1964). Centralized processing, recent trends and current status: A review and synthesis of the literature. University of Illinois, Graduate School of Library Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hanley, Mary D. Centralized Processing, Recent Trends and Current Status: A Review and Synthesis of the Literature. [Urbana]: University of Illinois, Graduate School of Library Science, 1964.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hanley, Mary D. Centralized Processing, Recent Trends and Current Status: A Review and Synthesis of the Literature. University of Illinois, Graduate School of Library Science, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.