Washington (State). Department of Highways. (1939). General highway and transportation maps. The Department.
Style de citation Chicago (17e éd.)Washington (State). Department of Highways. General Highway and Transportation Maps. Olympia, Wash.: The Department, 1939.
Style de citation MLA (8e éd.)Washington (State). Department of Highways. General Highway and Transportation Maps. The Department, 1939.
Attention : ces citations peuvent ne pas être correctes à 100%.