Levin, R. I. (1997). Statistics for Management (2nd.). Tata McGraw-Hill.
Cita Chicago Style (17a ed.)Levin, Richard I. Statistics for Management. 2nd. New Delhi: Tata McGraw-Hill, 1997.
Cita MLA (9a ed.)Levin, Richard I. Statistics for Management. 2nd. Tata McGraw-Hill, 1997.
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