Hilgard, E. R., & Bower, G. H. (1966). Theories of learning (3rd ed.). Appleton-Century-Crofts.
Dyfyniad Arddull ChicagoHilgard, Ernest Ropiequet, and Gordon H. Bower. Theories of Learning. 3rd ed. New York: Appleton-Century-Crofts, 1966.
Dyfyniad MLAHilgard, Ernest Ropiequet, and Gordon H. Bower. Theories of Learning. 3rd ed. Appleton-Century-Crofts, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.