Gupta, S. (2018). Statistical Methods (45th.). S Chand & Company Limited.
Chicago Style (17. basım) AtıfGupta, S.P. Statistical Methods. 45th. S Chand & Company Limited, 2018.
MLA (9th ed.) AtıfGupta, S.P. Statistical Methods. 45th. S Chand & Company Limited, 2018.
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