1Thomas V Cech: Principles of Water Resources, History Development Management and Policy. John Wiley & Sons, Inc. 2003
2Martin Reuss, Editor: Water Resources Administration in the United States: Policy, Practice and Emerging Issues. American Water Resources Associatian/Michigan State University Press, East Lansing 1993
3Nell S. Grigg: Water resources management principles regulations and cases, Principles, Regulations, and Cases. A Division of The McGraw- Hill Companies, 1996
4S. T. Su: Stages and Strategies of Water Resources Development, Past President, Chinese American Water Resources Association
5U.S. Geological survey circular 1268: Estimated use of water in the US in 2000 By Susan S. Hutson, Nancy L. Barber, oan F. Kenny, KristinS. Linsey, Deborah S. Lumia, and Molly A. Maupin
6Department of Natural Resources: "Statewide BMP Summary Report" July, 2004.
7Maryland Department of Environment: "Chesapeake Bay Program Annual report in 2003"
8U.S. Environmental Protection Agency: "Fiscal Year 2003 Annual Report" November 21,2004.
9Maryland Department of the Environment: About MDE. htm, July,2004.