SpringerLink (Online service), Quirchmayr, G., Schweighofer, E., & Bench-Capon, T. J. (1998). Database and Expert Systems Applications: 9th International Conference, DEXA'98, Vienna, Austria, August 24-28, 1998, Proceedings (1st ed. 1998.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/BFb0054462
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Gerald Quirchmayr, Erich Schweighofer, και Trevor J.M Bench-Capon. Database and Expert Systems Applications: 9th International Conference, DEXA'98, Vienna, Austria, August 24-28, 1998, Proceedings. 1st ed. 1998. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0054462.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Database and Expert Systems Applications: 9th International Conference, DEXA'98, Vienna, Austria, August 24-28, 1998, Proceedings. 1st ed. 1998. Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0054462.
