SpringerLink (Online service), Stiller, B., Carle, G., Karsten, M., & Reichl, P. (2003). Group Communications and Charges; Technology and Business Models: 5th COST264 International Workshop on Networked Group Communications, NGC 2003, and 3rd International Workshop on Internet Charging and QoS Technologies, ICQT 2003, Munich, Germany, September 16-19, 2003 Proceedings (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b13249
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Burkhard Stiller, Georg Carle, Martin Karsten, και Peter Reichl. Group Communications and Charges; Technology and Business Models: 5th COST264 International Workshop on Networked Group Communications, NGC 2003, and 3rd International Workshop on Internet Charging and QoS Technologies, ICQT 2003, Munich, Germany, September 16-19, 2003 Proceedings. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b13249.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Group Communications and Charges; Technology and Business Models: 5th COST264 International Workshop on Networked Group Communications, NGC 2003, and 3rd International Workshop on Internet Charging and QoS Technologies, ICQT 2003, Munich, Germany, September 16-19, 2003 Proceedings. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b13249.
