APA Citatie

Chinn, W. G., & Dean, R. A. I. (1978). Arithmetic and calculators: How to deal with arithmetic in the calculator age. W H Freeman.

Chicago Style citaat

Chinn, William G., en Richard A Iracewell Dean. Arithmetic and Calculators: How to Deal with Arithmetic in the Calculator Age. San Francisco: W H Freeman, 1978.

MLA citatie

Chinn, William G., en Richard A Iracewell Dean. Arithmetic and Calculators: How to Deal with Arithmetic in the Calculator Age. W H Freeman, 1978.