Hamilton, P. A., Miller, T. L., & Myers, D. N. (2004). Water quality in the nation's streams and aquifers: Overview of selected findings, 1991 - 2001. U.S. Geological Survey.
Chicago-Zitierstil (17. Ausg.)Hamilton, Pixie A., Timothy Lee Miller, und Donna N. Myers. Water Quality in the Nation's Streams and Aquifers: Overview of Selected Findings, 1991 - 2001. Reston, Va: U.S. Geological Survey, 2004.
MLA-Zitierstil (9. Ausg.)Hamilton, Pixie A., et al. Water Quality in the Nation's Streams and Aquifers: Overview of Selected Findings, 1991 - 2001. U.S. Geological Survey, 2004.
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