SpringerLink (Online service), Katsikas, S., & Pernul, G. (2004). Trust and Privacy in Digital Business: First International Conference, TrustBus 2004, Zaragoza, Spain, August 30-September 1, 2004, Proceedings (1st ed. 2004.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b99832
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Sokratis Katsikas, και Günther Pernul. Trust and Privacy in Digital Business: First International Conference, TrustBus 2004, Zaragoza, Spain, August 30-September 1, 2004, Proceedings. 1st ed. 2004. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2004. https://doi.org/10.1007/b99832.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Trust and Privacy in Digital Business: First International Conference, TrustBus 2004, Zaragoza, Spain, August 30-September 1, 2004, Proceedings. 1st ed. 2004. Springer Berlin Heidelberg : Imprint: Springer, 2004. https://doi.org/10.1007/b99832.
