Παραπομπή APA

(1968). Preparation and appraisal of transport projects: June 1968. Washington, D.C: Office of Technical Assistance, U.S. Department of Transportation.

Παραπομπή Chicago Style

Preparation and Appraisal of Transport Projects: June 1968. Washington, D.C: Office of Technical Assistance, U.S. Department of Transportation, 1968.

Παραπομπή MLA

Preparation and Appraisal of Transport Projects: June 1968. Washington, D.C: Office of Technical Assistance, U.S. Department of Transportation, 1968.

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