Levin, J., Fox, J. A., & Forde, D. R. (2010). Elementary statistics in social research (11th ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevin, Jack, James Alan Fox, और David R. Forde. Elementary Statistics in Social Research. 11th ed. Boston: Allyn and Bacon, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLevin, Jack, et al. Elementary Statistics in Social Research. 11th ed. Allyn and Bacon, 2010.
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