MILLS, F. C. (1955). Statistical Methods/frederick C. Mills. Henry Holt and Company.
Lua i Stíl Chicago (17ú heag.)MILLS, Frederick C. Statistical Methods/frederick C. Mills. Henry Holt and Company, 1955.
Lua MLA (8ú heag.)MILLS, Frederick C. Statistical Methods/frederick C. Mills. Henry Holt and Company, 1955.
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