United States. Environmental Protection Agency. (1999). Storm water management fact sheet: Coverings. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Storm Water Management Fact Sheet: Coverings. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 1999.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Storm Water Management Fact Sheet: Coverings. United States Environmental Protection Agency, Office of Water, 1999.
Warning: These citations may not always be 100% accurate.