Hilgard, E. R., & Bower, G. H. (1966). Theories of learning (3rd ed.). Appleton-Century-Crofts.
Chicago-čujuhus (17. p.)Hilgard, Ernest Ropiequet, juo Gordon H. Bower. Theories of Learning. 3rd ed. New York: Appleton-Century-Crofts, 1966.
MLA-čujuhus (9. p.)Hilgard, Ernest Ropiequet, juo Gordon H. Bower. Theories of Learning. 3rd ed. Appleton-Century-Crofts, 1966.
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