Selltiz, C., Wrightsman, L. S., & Cook, S. W. (1976). Research methods in social relations (3rd ed.). Holt, Rinehart and Winston.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSelltiz, Claire, Lawrence S. Wrightsman, और Stuart Wellford Cook. Research Methods in Social Relations. 3rd ed. New York: Holt, Rinehart and Winston, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSelltiz, Claire, et al. Research Methods in Social Relations. 3rd ed. Holt, Rinehart and Winston, 1976.
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