T. Richards, G. Webb, und N. Craske. Proceedings of the IFIP TC3 Working Conference on Artificial Intelligence Tools in Education, Seite 203-219. North-Holland, Amsterdam, Elsevier, (1988)
G. Webb, G. Cumming, T. Richards, und K. Yum. Proceedings of the IFIP TC3 International Conference on Advanced Research on Computers in Education (ARCE'90), Seite 101-108. Amsterdam, Elsevier, (1990)
T. Richards, und G. Webb. Proceedings of the Tenth Western Educational Computing Conference (WECC'85), Seite 151-157. North Hollywood, CA, : Western Periodicals Company, (1985)
T. Richards, R. Hooke, und G. Webb. Proceedings of the First Annual Computer-Assisted Learning in Tertiary Education Conference (CALITE'83), Seite 282-293. Brisbane, University of Queensland, (1983)
T. Richards, G. Webb, und S. Bodnar. Proceedings of the Second Annual Computer-Assisted Learning in Tertiary Education Conference (CALITE'84), Seite 232-235. Brisbane, University of Queensland, (1984)