Keller, G. (2001). Applied statistics with Microsoft Excel. CA, United States: Duxbury Thomson Learning.
Trích dẫn kiểu ChicagoKeller, Gerald. Applied Statistics With Microsoft Excel. CA, United States: Duxbury Thomson Learning, 2001.
MLA CitationKeller, Gerald. Applied Statistics With Microsoft Excel. CA, United States: Duxbury Thomson Learning, 2001.
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