Anderson David R. (2012). Statistics for Business and Economics -CD (11th.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Anderson David R. Statistics for Business and Economics -CD. 11th. Australia: Cengage Learning, 2012.
Lua MLA (9ú heag.)Anderson David R. Statistics for Business and Economics -CD. 11th. Cengage Learning, 2012.
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