Washington (State). Department of Transportation, Washington (State). Department of Highways, Washington State Highway Commission, & Rand McNally and Company. (1937). Washington State highways.
Style de citation Chicago (17e éd.)Washington (State). Department of Transportation, Washington (State). Department of Highways, Washington State Highway Commission, et Rand McNally and Company. Washington State Highways. Olympia, 1937.
Style de citation MLA (8e éd.)Washington (State). Department of Transportation, et al. Washington State Highways. 1937.
Attention : ces citations peuvent ne pas être correctes à 100%.