Koops, W. R. H., & Wieder, J. (1977). IFLA's First Fifty Years. Achievement and challenge in international librarianship. De Gruyter. https://doi.org/10.1515/9783111356655
Chicago Style (17th ed.) CitationKoops, Willem Roelf Henderikus, and Joachim Wieder. IFLA's First Fifty Years. Achievement and Challenge in International Librarianship. De Gruyter, 1977. https://doi.org/10.1515/9783111356655.
MLA (9th ed.) CitationKoops, Willem Roelf Henderikus, and Joachim Wieder. IFLA's First Fifty Years. Achievement and Challenge in International Librarianship. De Gruyter, 1977. https://doi.org/10.1515/9783111356655.
Warning: These citations may not always be 100% accurate.