Não informado. (2018). Report of the Chief of the Weather Bureau. U.S. Department of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Report of the Chief of the Weather Bureau. Washington: U.S. Department of Agriculture, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Report of the Chief of the Weather Bureau. U.S. Department of Agriculture, 2018.
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