SpringerLink (Online service), Cerri, S. A., Gouarderes, G., & Paraguacu, F. (2002). Intelligent Tutoring Systems: 6th International Conference, ITS 2002, Biarritz, France and San Sebastian, Spain, June 2-7, 2002. Proceedings (1st ed. 2002.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-47987-2
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Stefano A. Cerri, Guy Gouarderes, και Fabio Paraguacu. Intelligent Tutoring Systems: 6th International Conference, ITS 2002, Biarritz, France and San Sebastian, Spain, June 2-7, 2002. Proceedings. 1st ed. 2002. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-47987-2.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Intelligent Tutoring Systems: 6th International Conference, ITS 2002, Biarritz, France and San Sebastian, Spain, June 2-7, 2002. Proceedings. 1st ed. 2002. Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-47987-2.
