Παραπομπή APA

Keller, G. (2007). Statistics for management and economics: Abbrviated. Mason, OH: Thomson/South-Western.

Παραπομπή Chicago Style

Keller, Gerald. Statistics for Management and Economics: Abbrviated. Mason, OH: Thomson/South-Western, 2007.

Παραπομπή MLA

Keller, Gerald. Statistics for Management and Economics: Abbrviated. Mason, OH: Thomson/South-Western, 2007.

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