Dobko, T. (2016). Bibliographic index in the system of information and reference service: History and present time.
Chicago-Zitierstil (17. Ausg.)Dobko, T. Bibliographic Index in the System of Information and Reference Service: History and Present Time. 2016.
MLA-Zitierstil (8. Ausg.)Dobko, T. Bibliographic Index in the System of Information and Reference Service: History and Present Time. 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.