Παραπομπή APA

(1965). Highway research record: Freeway charasteristics, operations and accidents. Washington, D.C: National Research Council.

Παραπομπή Chicago Style

Highway Research Record: Freeway Charasteristics, Operations and Accidents. Washington, D.C: National Research Council, 1965.

Παραπομπή MLA

Highway Research Record: Freeway Charasteristics, Operations and Accidents. Washington, D.C: National Research Council, 1965.

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