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Chicago-Zitierstil (17. Ausg.)Analyis of Regional Aquifers in the Central Midwest of the United States in Kansas, Nebraska, and Parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. Denver, CO: US Geological Survey, 1996.
MLA-Zitierstil (9. Ausg.)Analyis of Regional Aquifers in the Central Midwest of the United States in Kansas, Nebraska, and Parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. US Geological Survey, 1996.
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