Davies, E. (2017). Essentials of statistics. Larsen & Keller.
Lua i Stíl Chicago (17ú heag.)Davies, Everett. Essentials of Statistics. New York: Larsen & Keller, 2017.
Lua MLA (9ú heag.)Davies, Everett. Essentials of Statistics. Larsen & Keller, 2017.
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