UNESCO. (1953). Guide to national bibliographical information centres: Guide de centres nationaux d' information bibliographique (3rd ed. ; revised and enlarged : 3 e edition ; revue et augmentee.). UNESCO.
Citación estilo ChicagoUNESCO. Guide to National Bibliographical Information Centres: Guide De Centres Nationaux D' Information Bibliographique. 3rd ed. ; revised and enlarged : 3 e edition ; revue et augmentee. Paris: UNESCO, 1953.
Cita MLAUNESCO. Guide to National Bibliographical Information Centres: Guide De Centres Nationaux D' Information Bibliographique. 3rd ed. ; revised and enlarged : 3 e edition ; revue et augmentee. UNESCO, 1953.
Warning: These citations may not always be 100% accurate.