Παραπομπή APA

Transit Cooperative Research Program-TCRP Synthesis. Washington: National Research Council, Transportation Research Board.

Παραπομπή Chicago Style

Transit Cooperative Research Program-TCRP Synthesis. Washington: National Research Council, Transportation Research Board.

Παραπομπή MLA

Transit Cooperative Research Program-TCRP Synthesis. Washington: National Research Council, Transportation Research Board.

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