United States. Environmental Protection Agency, Office Water, & Nonpoint Control Branch. (2008). Handbook for developing watershed plans to restore and protect our waters. U.S. Environmental Protection Agency, Office of Water, Nonpoint Source Control Branch.
Chicago Style (17. basım) AtıfUnited States. Environmental Protection Agency, Office Water, ve Nonpoint Control Branch. Handbook for Developing Watershed Plans to Restore and Protect Our Waters. Washington, DC: U.S. Environmental Protection Agency, Office of Water, Nonpoint Source Control Branch, 2008.
MLA (9th ed.) AtıfUnited States. Environmental Protection Agency, et al. Handbook for Developing Watershed Plans to Restore and Protect Our Waters. U.S. Environmental Protection Agency, Office of Water, Nonpoint Source Control Branch, 2008.