Παραπομπή APA

(1948). Manual on uniform traffic control devices for streets and highways. Washington, D.C: Public Poads Administration.

Παραπομπή Chicago Style

Manual On Uniform Traffic Control Devices for Streets and Highways. Washington, D.C: Public Poads Administration, 1948.

Παραπομπή MLA

Manual On Uniform Traffic Control Devices for Streets and Highways. Washington, D.C: Public Poads Administration, 1948.

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