Παραπομπή APA

(1970). Planning the Metropolitan airport system: May 1970. Washington, D.C: Department of Transportation. Federal Aviation Administration. Airport Service.

Παραπομπή Chicago Style

Planning the Metropolitan Airport System: May 1970. Washington, D.C: Department of Transportation. Federal Aviation Administration. Airport Service, 1970.

Παραπομπή MLA

Planning the Metropolitan Airport System: May 1970. Washington, D.C: Department of Transportation. Federal Aviation Administration. Airport Service, 1970.

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