Sokal R R. (1969). Biometry The principles and practices of statistics in biological research. W.H. Freeman and Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSokal R R. Biometry The Principles and Practices of Statistics in Biological Research. San Francisco, California: W.H. Freeman and Company, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSokal R R. Biometry The Principles and Practices of Statistics in Biological Research. W.H. Freeman and Company, 1969.
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