Παραπομπή APA

Hankerd, M. T. (1969). Federal aid for urban transportation. Washington, D.C: Automotive Safety Foundation.

Παραπομπή Chicago Style

Hankerd, Marian T. Federal Aid for Urban Transportation. Washington, D.C: Automotive Safety Foundation, 1969.

Παραπομπή MLA

Hankerd, Marian T. Federal Aid for Urban Transportation. Washington, D.C: Automotive Safety Foundation, 1969.

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