Παραπομπή APA

Publications of the Transportation Research Board-Directory. Washington, D.C.: National Research Council, Transportation Research Board.

Παραπομπή Chicago Style

Publications of the Transportation Research Board-Directory. Washington, D.C.: National Research Council, Transportation Research Board.

Παραπομπή MLA

Publications of the Transportation Research Board-Directory. Washington, D.C.: National Research Council, Transportation Research Board.

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