Steel, V. (1990). Remote storage, facilities, materials selection, and user services. Association of Research Libraries, Office of Management Services, Systems and Procedures Exchange Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Steel, Virginia. Remote Storage, Facilities, Materials Selection, and User Services. Washington, D.C.: Association of Research Libraries, Office of Management Services, Systems and Procedures Exchange Center, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Steel, Virginia. Remote Storage, Facilities, Materials Selection, and User Services. Association of Research Libraries, Office of Management Services, Systems and Procedures Exchange Center, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.