SpringerLink (Online service), Rist, T., Aylett, R., Ballin, D., & Rickel, J. (2003). Intelligent Virtual Agents: 4th International Workshop, IVA 2003, Kloster Irsee, Germany, September 15-17, 2003, Proceedings (1st ed. 2003.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/b12026
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Thomas Rist, Ruth Aylett, Daniel Ballin, και Jeff Rickel. Intelligent Virtual Agents: 4th International Workshop, IVA 2003, Kloster Irsee, Germany, September 15-17, 2003, Proceedings. 1st ed. 2003. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b12026.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Intelligent Virtual Agents: 4th International Workshop, IVA 2003, Kloster Irsee, Germany, September 15-17, 2003, Proceedings. 1st ed. 2003. Springer Berlin Heidelberg : Imprint: Springer, 2003. https://doi.org/10.1007/b12026.
