Szily, E. (1971). Dictionarium bibliothecarii practicum (ad usum internationalem in XX linguis) =: Wörterbuch des Bibliothekars in zwanzig Sprachen = The librarian's practical dictionary in twenty languages (5 ed.). Verlag Dokumentation ; Akadémiai Kiadó.
Cita Chicago Style (17a ed.)Szily, Ernö. Dictionarium Bibliothecarii Practicum (ad Usum Internationalem in XX Linguis) =: Wörterbuch Des Bibliothekars in Zwanzig Sprachen = The Librarian's Practical Dictionary in Twenty Languages. 5 ed. München-Pullach : Budapest: Verlag Dokumentation ; Akadémiai Kiadó, 1971.
Cita MLA (9a ed.)Szily, Ernö. Dictionarium Bibliothecarii Practicum (ad Usum Internationalem in XX Linguis) =: Wörterbuch Des Bibliothekars in Zwanzig Sprachen = The Librarian's Practical Dictionary in Twenty Languages. 5 ed. Verlag Dokumentation ; Akadémiai Kiadó, 1971.