SpringerLink (Online service) & Traunmüller, R. (2004). Electronic Government: Third International Conference, EGOV 2004, Zaragoza, Spain, August 30-September 3, 2004, Proceedings (1st ed. 2004.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b99836
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Roland Traunmüller. Electronic Government: Third International Conference, EGOV 2004, Zaragoza, Spain, August 30-September 3, 2004, Proceedings. 1st ed. 2004. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2004. https://doi.org/10.1007/b99836.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Roland Traunmüller. Electronic Government: Third International Conference, EGOV 2004, Zaragoza, Spain, August 30-September 3, 2004, Proceedings. 1st ed. 2004. Springer Berlin Heidelberg : Imprint: Springer, 2004. https://doi.org/10.1007/b99836.
