United States. Weather Bureau. (1932). Climatic summary of the United States: Climatic data herein from the establishment of stations to 1930, inclusive. U.S. Govt. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Weather Bureau. Climatic Summary of the United States: Climatic Data Herein from the Establishment of Stations to 1930, Inclusive. Washington, D.C.: U.S. Govt. Print. Off., 1932.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Weather Bureau. Climatic Summary of the United States: Climatic Data Herein from the Establishment of Stations to 1930, Inclusive. U.S. Govt. Print. Off., 1932.
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