SpringerLink (Online service), Cerri, S. A., Clancey, W. J., Papadourakis, G., & Panourgia, K. (2012). Intelligent Tutoring Systems: 11th International Conference, ITS 2012, Chania, Crete, Greece, June 14-18, 2012. Proceedings. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Stefano A. Cerri, William J. Clancey, Giorgos Papadourakis, και Kitty Panourgia. Intelligent Tutoring Systems: 11th International Conference, ITS 2012, Chania, Crete, Greece, June 14-18, 2012. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Intelligent Tutoring Systems: 11th International Conference, ITS 2012, Chania, Crete, Greece, June 14-18, 2012. Proceedings. Springer Berlin Heidelberg, 2012.
