Lua APA (7ú heag.)

Hill, W. F. (1985). Learning: A survey of psychological interpretations (4th ed.). Harper & Row.

Lua i Stíl Chicago (17ú heag.)

Hill, Winfred F. Learning: A Survey of Psychological Interpretations. 4th ed. Cambridge: Harper & Row, 1985.

Lua MLA (9ú heag.)

Hill, Winfred F. Learning: A Survey of Psychological Interpretations. 4th ed. Harper & Row, 1985.

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