U. S. Bureau of the Census. (1960). The accuracy of census statistics with and withour sampling. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रU. S. Bureau of the Census. The Accuracy of Census Statistics with and Withour Sampling. Washington: s.n, 1960.
एमएलए (9वां संस्करण) प्रशस्ति पत्रU. S. Bureau of the Census. The Accuracy of Census Statistics with and Withour Sampling. s.n, 1960.
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