Newbold, P. (2007). Statistics for business and economics. Upper Saddle River, N.J: Pearson Prentice Hall.
शिकागो स्टाइल उद्धरणNewbold, Paul. Statistics for Business and Economics. Upper Saddle River, N.J: Pearson Prentice Hall, 2007.
एमएलए उद्धरणNewbold, Paul. Statistics for Business and Economics. Upper Saddle River, N.J: Pearson Prentice Hall, 2007.
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