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Chicago-Zitierstil (17. Ausg.)International Librarianship: Surveys of Recent Developments in Developing Countries and in Advanced Librarianship Submitted to the 1971IFLA Pre-session for Developing Countries Sponsored by Unesco: Liverpool City Libraries August 2-september 1971. London: The Library Association, 1972.
MLA-Zitierstil (9. Ausg.)International Librarianship: Surveys of Recent Developments in Developing Countries and in Advanced Librarianship Submitted to the 1971IFLA Pre-session for Developing Countries Sponsored by Unesco: Liverpool City Libraries August 2-september 1971. The Library Association, 1972.