Snedecor, G. W. (1946). Statistical methods applied to experiments in agriculture and biology. With chapter 17 on sampling by William G. Cochran. Iowa State College Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSnedecor, George Waddel. Statistical Methods Applied to Experiments in Agriculture and Biology. With Chapter 17 on Sampling by William G. Cochran. Ames: Iowa State College Press, 1946.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSnedecor, George Waddel. Statistical Methods Applied to Experiments in Agriculture and Biology. With Chapter 17 on Sampling by William G. Cochran. Iowa State College Press, 1946.
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