Bancroft, T. A. (1968). Topics in intermediate statistical methods. Iowa State University Press.
Lua i Stíl Chicago (17ú heag.)Bancroft, T. A. Topics in Intermediate Statistical Methods. Ames: Iowa State University Press, 1968.
Lua MLA (9ú heag.)Bancroft, T. A. Topics in Intermediate Statistical Methods. Iowa State University Press, 1968.
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