(1978). Manual on uniform traffic control devices for streets and highways. Washington, D C: U S Department of Transportation.
Čikaški stil citiranja (17. izdanje)Manual on Uniform Traffic Control Devices for Streets and Highways. Washington, D C: U S Department of Transportation, 1978.
MLA način citiranja (9. izdanje)Manual on Uniform Traffic Control Devices for Streets and Highways. Washington, D C: U S Department of Transportation, 1978.
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