United States. Weather Bureau & United States. Joint Meteorological Committee. Daily synoptic series, historical weather maps. U.S. Weather Bureau.
Citação do estilo Chicago (17ª ed.)United States. Weather Bureau e United States. Joint Meteorological Committee. Daily Synoptic Series, Historical Weather Maps. Washington, D.C.: U.S. Weather Bureau.
Citação MLA (8ª ed.)United States. Weather Bureau e United States. Joint Meteorological Committee. Daily Synoptic Series, Historical Weather Maps. U.S. Weather Bureau.
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