SpringerLink (Online service) & Cerri, S. A. (2012). Intelligent tutoring systems: 11th International conference, ITS 2012, Chania, Crete, Greece, June 14-18, 2012. Proceedings. Springer Berlin Heidelberg.
Chicago-viite (17. p.)SpringerLink (Online service) ja Stefano A. Cerri. Intelligent Tutoring Systems: 11th International Conference, ITS 2012, Chania, Crete, Greece, June 14-18, 2012. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
MLA-viite (8. p.)SpringerLink (Online service) ja Stefano A. Cerri. Intelligent Tutoring Systems: 11th International Conference, ITS 2012, Chania, Crete, Greece, June 14-18, 2012. Proceedings. Springer Berlin Heidelberg, 2012.
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