Gupta, S. (1981). Statistical methods/16e (16th ed.). Sulthan Chand & Sons.
Čikaški stil citiranjaGupta, S.P. Statistical Methods/16e. 16th ed. New Delhi: Sulthan Chand & Sons, 1981.
MLA način citiranjaGupta, S.P. Statistical Methods/16e. 16th ed. Sulthan Chand & Sons, 1981.
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