Townend, J. (2002). Practical statistics for environmental and biological scientists. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTownend, John. Practical Statistics for Environmental and Biological Scientists. Chichester: Wiley, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTownend, John. Practical Statistics for Environmental and Biological Scientists. Wiley, 2002.
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