Não informado. (1896). Water supply and irrigation papers of the United States Geological Survey. U.S. Geological Survey.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Water Supply and Irrigation Papers of the United States Geological Survey. Washington: U.S. Geological Survey, 1896.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Water Supply and Irrigation Papers of the United States Geological Survey. U.S. Geological Survey, 1896.
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