Crookall, D., Oxford, R.L. (eds.) (1990) Simulation, Gaming, and Language Learning. New York: Newbury House.
Feldman, M. (1995) "Import/Export E-mail Business Simulation". In M. Warschauer (ed.): pp. 363-364.
Mak, L., Crookall, D. (1995) "Project IDEALS: social interaction and negotiation on the Internet: Cross-cultural simulation". In M. Warschauer (ed.): pp. 225-228.
Warschauer, M. (ed.) (1995) Virtual Connections: On-line Activities and Projects for Networking Language Learner. Honolulu, HI: University of Hawai'i, Second Language Teaching and Curriculum Centre.