Lua APA (7ú heag.)

HUFFMAN, K., VERNOY, M., & VERNOY, J. (1997). Psychology in action.-- ed.4. John Wiley and Sons.

Lua i Stíl Chicago (17ú heag.)

HUFFMAN, Karen, Mark VERNOY, agus Judith VERNOY. Psychology in Action.-- Ed.4. New York: John Wiley and Sons, 1997.

Lua MLA (9ú heag.)

HUFFMAN, Karen, et al. Psychology in Action.-- Ed.4. John Wiley and Sons, 1997.

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