Gupta, S. P. (2021). Statistical Methods (46th.). Sultan Chand & Sons.
Čikaški stil citiranja (17. izdanje)Gupta, S P. Statistical Methods. 46th. New Delhi: Sultan Chand & Sons, 2021.
MLA način citiranja (9. izdanje)Gupta, S P. Statistical Methods. 46th. Sultan Chand & Sons, 2021.
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