SpringerLink (Online service), Rizzo, L., & Fdida, S. (1999). Networked Group Communication: First International COST264 Workshop, NGC'99, Pisa, Italy, November 17-20, 1999 Proceedings (1st ed. 1999.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b72228
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Luigi Rizzo, και Serge Fdida. Networked Group Communication: First International COST264 Workshop, NGC'99, Pisa, Italy, November 17-20, 1999 Proceedings. 1st ed. 1999. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/b72228.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Networked Group Communication: First International COST264 Workshop, NGC'99, Pisa, Italy, November 17-20, 1999 Proceedings. 1st ed. 1999. Springer Berlin Heidelberg : Imprint: Springer, 1999. https://doi.org/10.1007/b72228.
