423410 Chao, L. L. (1974). Statistics: Methods and analyses. New York : McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)423410 Chao, Lincoln L. Statistics: Methods and Analyses. New York : McGraw-Hill, 1974.
Lua MLA (9ú heag.)423410 Chao, Lincoln L. Statistics: Methods and Analyses. New York : McGraw-Hill, 1974.
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