APA

Beri G. C., . (2009). Business statistics. : TATA McGraw-Hill Publishing Company, New Delhi.

Chicago

Beri G C, . 2009. Business statistics. : TATA McGraw-Hill Publishing Company, New Delhi.

Harvard

Beri G. C., . (2009). Business statistics. : TATA McGraw-Hill Publishing Company, New Delhi.

MLA

Beri G C, . Business statistics. : TATA McGraw-Hill Publishing Company, New Delhi. 2009.