Cita APA (7th ed.)

Kelman, P. (1983). Computers in teaching mathematics. Addison-Wersley.

Cita Chicago (17th ed.)

Kelman, Peter. Computers in Teaching Mathematics. Reading, Mass: Addison-Wersley, 1983.

Cita MLA (9th ed.)

Kelman, Peter. Computers in Teaching Mathematics. Addison-Wersley, 1983.