Levine, D. F. (2017). Business Statistics: A first Course (7th.). Pearson.
Lua i Stíl Chicago (17ú heag.)Levine, David F. Business Statistics: A First Course. 7th. Noida: Pearson, 2017.
Lua MLA (9ú heag.)Levine, David F. Business Statistics: A First Course. 7th. Pearson, 2017.
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