Grosch, A. N. (1975). Current and retrospective sources of machine readable monograph cataloguing records: A study of their potential cost and utility in automated system development at the University of Minnesota. University of Minnesota Libraries.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Grosch, Audrey N. Current and Retrospective Sources of Machine Readable Monograph Cataloguing Records: A Study of Their Potential Cost and Utility in Automated System Development at the University of Minnesota. [s.l.]: University of Minnesota Libraries, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Grosch, Audrey N. Current and Retrospective Sources of Machine Readable Monograph Cataloguing Records: A Study of Their Potential Cost and Utility in Automated System Development at the University of Minnesota. University of Minnesota Libraries, 1975.