United States. Department of the Interior; United States. Federal Interdepartmental Task Force on the Potomac [Contributor]. The Nation's River: A report on the Potomac From the U.S. Department of the Interior.
Citazione stile Chigago Style (17a edizione)United States. Department of the Interior; United States. Federal Interdepartmental Task Force on the Potomac [Contributor]. The Nation's River: A Report on the Potomac From the U.S. Department of the Interior.
Citatione MLA (9a ed.)United States. Department of the Interior; United States. Federal Interdepartmental Task Force on the Potomac [Contributor]. The Nation's River: A Report on the Potomac From the U.S. Department of the Interior.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.