Murphy, K. R., & Davidshofer, C. O. (2005). Psychological testing: Principles and applications (6th ed.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Murphy, Kevin R., agus Charles O. Davidshofer. Psychological Testing: Principles and Applications. 6th ed. Upper Saddle River, N.J: Pearson/Prentice Hall, 2005.
Lua MLA (9ú heag.)Murphy, Kevin R., agus Charles O. Davidshofer. Psychological Testing: Principles and Applications. 6th ed. Pearson/Prentice Hall, 2005.
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