Dyfyniad APA

Keller, G. (2012). Statistics for management and economics ([Ninth edition].). Cengage Learning Asia Pte. Ltd.

Dyfyniad Arddull Chicago

Keller, Gerald. Statistics for Management and Economics. [Ninth edition]. Singapore: Cengage Learning Asia Pte. Ltd, 2012.

Dyfyniad MLA

Keller, Gerald. Statistics for Management and Economics. [Ninth edition]. Cengage Learning Asia Pte. Ltd, 2012.

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