Clarke, G. M. (1983). A basic course in statistics (2nd.). Halsted Press.
Lua i Stíl Chicago (17ú heag.)Clarke, Geoffrey M. A Basic Course in Statistics. 2nd. New York: Halsted Press, 1983.
Lua MLA (9ú heag.)Clarke, Geoffrey M. A Basic Course in Statistics. 2nd. Halsted Press, 1983.
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