(1937). Bicycle control in Oregon cities. Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities.
Citace podle Chicago (17th ed.)Bicycle Control in Oregon Cities. Eugene: Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities, 1937.
Citace podle MLA (8th ed.)Bicycle Control in Oregon Cities. Bureau of Municipal Research and Service, University of Oregon, cooperating with the League of Oregon Cities, 1937.
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