Kurtz, N. R. (1983). Introduction to social statistics. Mc Graw-Hill Book Company.
शिकागो स्टाइल उद्धरणKurtz, Norman R. Introduction to Social Statistics. London: Mc Graw-Hill Book Company, 1983.
एमएलए उद्धरणKurtz, Norman R. Introduction to Social Statistics. Mc Graw-Hill Book Company, 1983.
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