SpringerLink (Online service), Wagner, R., Revell, N., & Pernul, G. (2007). Database and Expert Systems Applications: 18th International Conference, DEXA 2007, Regensburg, Germany, September 3-7, 2007. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Roland Wagner, Norman Revell, και Günther Pernul. Database and Expert Systems Applications: 18th International Conference, DEXA 2007, Regensburg, Germany, September 3-7, 2007. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Database and Expert Systems Applications: 18th International Conference, DEXA 2007, Regensburg, Germany, September 3-7, 2007. Proceedings. Springer Berlin Heidelberg, 2007.
