(1879). Statistical abstract of the United States: The national data book / US Department of Commerce, Economics and Statistics Administration, US Census Bureau. US Gov. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStatistical Abstract of the United States: The National Data Book / US Department of Commerce, Economics and Statistics Administration, US Census Bureau. Waschington, DC: US Gov. Print. Off., 1879.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStatistical Abstract of the United States: The National Data Book / US Department of Commerce, Economics and Statistics Administration, US Census Bureau. US Gov. Print. Off., 1879.
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