Vakkari, P. (1992). Conceptions of library and information science: Historical, empirical and theoretical perspectives; proceedings of the International Conference held for the celebration of 20th anniversary of the Department of Information Studies, University of Tampere, Finland, 26- 28 August 1991. Graham.
Chicago-Zitierstil (17. Ausg.)Vakkari, Pertti. Conceptions of Library and Information Science: Historical, Empirical and Theoretical Perspectives; Proceedings of the International Conference Held for the Celebration of 20th Anniversary of the Department of Information Studies, University of Tampere, Finland, 26- 28 August 1991. London: Graham, 1992.
MLA-Zitierstil (9. Ausg.)Vakkari, Pertti. Conceptions of Library and Information Science: Historical, Empirical and Theoretical Perspectives; Proceedings of the International Conference Held for the Celebration of 20th Anniversary of the Department of Information Studies, University of Tampere, Finland, 26- 28 August 1991. Graham, 1992.