Dyfyniad APA

Levin, R. I. (1997). Statistics for Management (12th.). Pearson.

Dyfyniad Arddull Chicago

Levin, Richard I. Statistics for Management. 12th. New Delhi: Pearson, 1997.

Dyfyniad MLA

Levin, Richard I. Statistics for Management. 12th. Pearson, 1997.

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