APA Citation

mason, R. D. (1976). Programmed learning aid for using the metric system. Richard D. Irwin.

Chicago Style Citation

mason, Robert D. Programmed Learning Aid for Using the Metric System. Richard D. Irwin, 1976.

MLA Citation

mason, Robert D. Programmed Learning Aid for Using the Metric System. Richard D. Irwin, 1976.

Warning: These citations may not always be 100% accurate.