APA (7e ed.) Bronvermelding

COFER, C. N., FITZGERALD, H. E., & HERMANSON, R. H. (1975). Programed learning aid for human memory and forgetting. Richard D. Irwin.

Chicago (17e ed.) Bronvermelding

COFER, Charles N., Hiram E. FITZGERALD, en Roger H. HERMANSON. Programed Learning Aid for Human Memory and Forgetting. Homewood: Richard D. Irwin, 1975.

MLA (9e ed.) Bronvermelding

COFER, Charles N., et al. Programed Learning Aid for Human Memory and Forgetting. Richard D. Irwin, 1975.