Gregory, R. J. (2017). Psychological testing: : history, principles and applications (7th ed.). Pearson India.
Chicago ZitierstilGregory, Robert J. Psychological Testing: : History, Principles and Applications. 7th ed. Noida: Pearson India, 2017.
MLA ZitierstilGregory, Robert J. Psychological Testing: : History, Principles and Applications. 7th ed. Pearson India, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.