APA(7版)引用形式
Cofer, C. N. (1972). Programmed learning aid for introduction to psychology. Learning systems co..
Chicagoスタイル(17版)引用形式
Cofer, Charles N. Programmed Learning Aid for Introduction to Psychology. Illinois: Learning systems co., 1972.
MLA(9版)引用形式
Cofer, Charles N. Programmed Learning Aid for Introduction to Psychology. Learning systems co., 1972.
警告: この引用は必ずしも正確ではありません.