Prins, H., Gier, W. d., & Bowden, R. (1995). The image of the library and information profession: How we see ourselves : an investigation : a report of an empirical study undertaken on behalf of IFLA's Round Table for the Management of Library Associations. K.G. Saur.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Prins, Hans, Wilco de Gier, و Russell Bowden. The Image of the Library and Information Profession: How We See Ourselves : An Investigation : A Report of an Empirical Study Undertaken on Behalf of IFLA's Round Table for the Management of Library Associations. München ; New Providence [N.J.]: K.G. Saur, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Prins, Hans, et al. The Image of the Library and Information Profession: How We See Ourselves : An Investigation : A Report of an Empirical Study Undertaken on Behalf of IFLA's Round Table for the Management of Library Associations. K.G. Saur, 1995.