Didyk, M. (1998). Investigation of the effectiveness and quality of the alphabet catalogue in V. Stephanyk. Lviv Scientific Library.
Chicago-Zitierstil (17. Ausg.)Didyk, M. Investigation of the Effectiveness and Quality of the Alphabet Catalogue in V. Stephanyk. Lviv Scientific Library. 1998.
MLA-Zitierstil (8. Ausg.)Didyk, M. Investigation of the Effectiveness and Quality of the Alphabet Catalogue in V. Stephanyk. Lviv Scientific Library. 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.