Não informado. (1972). Hungarian Library and Information Science Abstracts. National Széchényi Library, Centre for Library Science and Methodology.
Style de citation Chicago (17e éd.)Não informado. Hungarian Library and Information Science Abstracts. Budapest: National Széchényi Library, Centre for Library Science and Methodology, 1972.
Style de citation MLA (8e éd.)Não informado. Hungarian Library and Information Science Abstracts. National Széchényi Library, Centre for Library Science and Methodology, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.