Nitecki, J. Z. (1976). Directory of library reprographic services: A world guide (Sixth edition.). Published for the Reproduction of Library Materials Section, RTSD-American Library Association by Microform Review.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nitecki, Joseph Z. Directory of Library Reprographic Services: A World Guide. Sixth edition. Weston, Conn.: Published for the Reproduction of Library Materials Section, RTSD-American Library Association by Microform Review, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nitecki, Joseph Z. Directory of Library Reprographic Services: A World Guide. Sixth edition. Published for the Reproduction of Library Materials Section, RTSD-American Library Association by Microform Review, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.