Dyfyniad APA

Cofer, C. N. (1972). Programmed learning aid for introduction to psychology. Learning systems co..

Dyfyniad Arddull Chicago

Cofer, Charles N. Programmed Learning Aid for Introduction to Psychology. Illinois: Learning systems co., 1972.

Dyfyniad MLA

Cofer, Charles N. Programmed Learning Aid for Introduction to Psychology. Learning systems co., 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.