Παραπομπή APA

Frasson, C., & Gauthier, G. (1990). Intelligent tutoring systems: : at the crossroad of artificial intelligence and education. Norwood, N.J.: Ablex Pub..

Παραπομπή Chicago Style

Frasson, Claude, and Gilles Gauthier. Intelligent Tutoring Systems: : At the Crossroad of Artificial Intelligence and Education. Norwood, N.J.: Ablex Pub., 1990.

Παραπομπή MLA

Frasson, Claude, and Gilles Gauthier. Intelligent Tutoring Systems: : At the Crossroad of Artificial Intelligence and Education. Norwood, N.J.: Ablex Pub., 1990.

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