SpringerLink (Online service), Litwin, W., Morzy, T., & Vossen, G. (1998). Advances in Databases and Information Systems: Second East European Symposium, ADBIS '98, Poznan, Poland, September 7-10, 1998, Proceedings (1st ed. 1998.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/BFb0057710
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Witold Litwin, Tadeusz Morzy, και Gottfried Vossen. Advances in Databases and Information Systems: Second East European Symposium, ADBIS '98, Poznan, Poland, September 7-10, 1998, Proceedings. 1st ed. 1998. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0057710.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Advances in Databases and Information Systems: Second East European Symposium, ADBIS '98, Poznan, Poland, September 7-10, 1998, Proceedings. 1st ed. 1998. Springer Berlin Heidelberg : Imprint: Springer, 1998. https://doi.org/10.1007/BFb0057710.
