Kelman, P., Bardige, A., Choate, J., Hanify, G., Richards, J., Roberts, N., . . . Walters, J. (1983). Computers in teaching mathematics. Addison-Wesley.
Chicago-viite (17. p.)Kelman, Peter, Art Bardige, Jonathan Choate, George Hanify, John Richards, Nancy Roberts, Mary Kay Tornrose, ja Joseph Walters. Computers in Teaching Mathematics. Reading: Addison-Wesley, 1983.
MLA-viite (9. p.)Kelman, Peter, et al. Computers in Teaching Mathematics. Addison-Wesley, 1983.
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