Hill, W. F. (1985). Learning: A survey of psychological interpretations (4th ed.). Harper & Row.
Chicago-viite (17. p.)Hill, Winfred F. Learning: A Survey of Psychological Interpretations. 4th ed. Cambridge: Harper & Row, 1985.
MLA-viite (9. p.)Hill, Winfred F. Learning: A Survey of Psychological Interpretations. 4th ed. Harper & Row, 1985.
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