Gregory, R. J. (2017). Psychological testing: : history, principles and applications (7th ed.). Pearson India.
शिकागो स्टाइल उद्धरणGregory, Robert J. Psychological Testing: : History, Principles and Applications. 7th ed. Noida: Pearson India, 2017.
एमएलए उद्धरणGregory, Robert J. Psychological Testing: : History, Principles and Applications. 7th ed. Pearson India, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.