Mumford, E., Hirschheim, R., Fitzgerald, G., & Wood-harper, A. T. (1985). Research methods in information systems: Proceedings of the IFIP WG 8.2 Colloquium, Manchester Business School, 1-3 September, 1984. North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mumford, Enid, R. Hirschheim, G. Fitzgerald, و A. T. Wood-harper. Research Methods in Information Systems: Proceedings of the IFIP WG 8.2 Colloquium, Manchester Business School, 1-3 September, 1984. Amsterdam ; New York : New York: North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mumford, Enid, et al. Research Methods in Information Systems: Proceedings of the IFIP WG 8.2 Colloquium, Manchester Business School, 1-3 September, 1984. North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1985.