APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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