Steel, R. G. D. 1., & Torrie, J. H. 1. j. a. (1960). Principles and procedures of statistics with special reference to the biological sciences. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSteel, Robert George Douglas 1917, और James Hiram 1908- joint auth Torrie. Principles and Procedures of Statistics with Special Reference to the Biological Sciences. New York: McGraw-Hill, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSteel, Robert George Douglas 1917, और James Hiram 1908- joint auth Torrie. Principles and Procedures of Statistics with Special Reference to the Biological Sciences. McGraw-Hill, 1960.
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