COFER, C. N., FITZGERALD, H. E., & HERMANSON, R. H. (1975). Programed learning aid for human memory and forgetting. Richard D. Irwin.
芝加哥风格引文COFER, Charles N., Hiram E. FITZGERALD, 与 Roger H. HERMANSON. Programed Learning Aid for Human Memory and Forgetting. Homewood: Richard D. Irwin, 1975.
MLA引文COFER, Charles N., et al. Programed Learning Aid for Human Memory and Forgetting. Richard D. Irwin, 1975.
警告：这些引文格式不一定是100％准确.