Dyfyniad APA

Berry, G. (2008). Business Statistics (2nd.). Tata Mc Graw -Hill Publishing Company Limited.

Dyfyniad Arddull Chicago

Berry, G.C. Business Statistics. 2nd. New Delhi: Tata Mc Graw -Hill Publishing Company Limited, 2008.

Dyfyniad MLA

Berry, G.C. Business Statistics. 2nd. Tata Mc Graw -Hill Publishing Company Limited, 2008.

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