Gupta, C. (1964). An intro. to statistical methods (3rd.). Ram Prasad & Sons.
Chicago-čujuhus (17. p.)Gupta, C. An Intro. to Statistical Methods. 3rd. Agra: Ram Prasad & Sons, 1964.
MLA-čujuhus (9. p.)Gupta, C. An Intro. to Statistical Methods. 3rd. Ram Prasad & Sons, 1964.
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