SpringerLink (Online service), Antonio, A. d., Aylett, R., & Ballin, D. (2001). Intelligent Virtual Agents: Third International Workshop, IVA 2001, Madrid, Spain, September 10-11, 2001. Proceedings (1st ed. 2001.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-44812-8
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Angelica de Antonio, Ruth Aylett, και Daniel Ballin. Intelligent Virtual Agents: Third International Workshop, IVA 2001, Madrid, Spain, September 10-11, 2001. Proceedings. 1st ed. 2001. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44812-8.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Intelligent Virtual Agents: Third International Workshop, IVA 2001, Madrid, Spain, September 10-11, 2001. Proceedings. 1st ed. 2001. Springer Berlin Heidelberg : Imprint: Springer, 2001. https://doi.org/10.1007/3-540-44812-8.
