(1968). World guide to libraries =: Internationales Bibliotheks-Handbuch. Verlag Dokumentation.
Cita Chicago Style (17a ed.)World Guide to Libraries =: Internationales Bibliotheks-Handbuch. Munchen-Pullach: Verlag Dokumentation, 1968.
Cita MLA (8a ed.)World Guide to Libraries =: Internationales Bibliotheks-Handbuch. Verlag Dokumentation, 1968.
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