Gupta S.P. (2018). Statistical Methods (45th ed.). Sultan Chand & Sons.
Čikaški stil citiranja (17. izdanje)Gupta S.P. Statistical Methods. 45th ed. New Delhi: Sultan Chand & Sons, 2018.
MLA način citiranja (9. izdanje)Gupta S.P. Statistical Methods. 45th ed. Sultan Chand & Sons, 2018.
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