Παραπομπή APA

Williams, T. A., & Sweeney, D. J. (2007). Essential of contemporary business statistics. Mason, OH: Thomson South-Western.

Παραπομπή Chicago Style

Williams, Thomas A., και Dennis J. Sweeney. Essential of Contemporary Business Statistics. Mason, OH: Thomson South-Western, 2007.

Παραπομπή MLA

Williams, Thomas A., και Dennis J. Sweeney. Essential of Contemporary Business Statistics. Mason, OH: Thomson South-Western, 2007.

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