American Psychological Association. (1996). Psychological methods. American Psychological Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Psychological Association. Psychological Methods. Washington, DC: American Psychological Association, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Psychological Association. Psychological Methods. American Psychological Association, 1996.
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