SpringerLink (Online service), Bertossi, L., Katona, G. O., Schewe, K., & Thalheim, B. (2003). Semantics in Databases: Second International Workshop, Dagstuhl Castle, Germany, January 7-12, 2001, Revised Papers (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-36596-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Leopoldo Bertossi, Gyula O.H Katona, Klaus-Dieter Schewe, και Bernhard Thalheim. Semantics in Databases: Second International Workshop, Dagstuhl Castle, Germany, January 7-12, 2001, Revised Papers. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/3-540-36596-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Semantics in Databases: Second International Workshop, Dagstuhl Castle, Germany, January 7-12, 2001, Revised Papers. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/3-540-36596-6.