Washington State Planning Council & United States. National Park Service. (1939). A study of parks, parkways and recreational areas, state of Washington.
Style de citation Chicago (17e éd.)Washington State Planning Council et United States. National Park Service. A Study of Parks, Parkways and Recreational Areas, State of Washington. [Olympia], 1939.
Style de citation MLA (8e éd.)Washington State Planning Council et United States. National Park Service. A Study of Parks, Parkways and Recreational Areas, State of Washington. 1939.
Attention : ces citations peuvent ne pas être correctes à 100%.