Babbie, E. (1992). The practice of social research (6th ed.). Wadsworth.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBabbie, Earl. The Practice of Social Research. 6th ed. California: Wadsworth, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBabbie, Earl. The Practice of Social Research. 6th ed. Wadsworth, 1992.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.