Παραπομπή APA

(1967). Aviation and the transportation system: Progress, profits and the public interest. Bloomfield, CO: Connecticut General Life Insurances Co..

Παραπομπή Chicago Style

Aviation and the Transportation System: Progress, Profits and the Public Interest. Bloomfield, CO: Connecticut General Life Insurances Co., 1967.

Παραπομπή MLA

Aviation and the Transportation System: Progress, Profits and the Public Interest. Bloomfield, CO: Connecticut General Life Insurances Co., 1967.

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