Dowdy, S. M., Wearden, S., & Chilko, D. M. (2004). Statistics for research: Shirley Dowdy, Stanley Weardon, Daniel Chilko (3rd ed.). Wiley-Interscience.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDowdy, S. M., Stanley Wearden, और Daniel M. Chilko. Statistics for Research: Shirley Dowdy, Stanley Weardon, Daniel Chilko. 3rd ed. Hoboken, N.J.: Wiley-Interscience, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDowdy, S. M., et al. Statistics for Research: Shirley Dowdy, Stanley Weardon, Daniel Chilko. 3rd ed. Wiley-Interscience, 2004.
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