Babbie, E. R. (1977). Society by agreement: An introduction to sociology. Wadsworth Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBabbie, Earl R. Society by Agreement: An Introduction to Sociology. Belmont, Calif: Wadsworth Pub, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBabbie, Earl R. Society by Agreement: An Introduction to Sociology. Wadsworth Pub, 1977.
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