Schultz, D. P. (1979). Psychology in use: An introduction to applied psychology. Macmillan.
Lua i Stíl Chicago (17ú heag.)Schultz, Duane P. Psychology in Use: An Introduction to Applied Psychology. New York: Macmillan, 1979.
Lua MLA (9ú heag.)Schultz, Duane P. Psychology in Use: An Introduction to Applied Psychology. Macmillan, 1979.
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