Não informado. (1972). Hungarian Library and Information Science Abstracts. National Széchényi Library, Centre for Library Science and Methodology.
Chicago-viite (17. p.)Não informado. Hungarian Library and Information Science Abstracts. Budapest: National Széchényi Library, Centre for Library Science and Methodology, 1972.
MLA-viite (8. p.)Não informado. Hungarian Library and Information Science Abstracts. National Széchényi Library, Centre for Library Science and Methodology, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.