Shippen, K. B. (1955). Miracle in motion: The story of America's industry. New York, N.Y.: Berkley Publishing Corporation.
Trích dẫn kiểu ChicagoShippen, Katherine B. Miracle in Motion: The Story of America's Industry. New York, N.Y.: Berkley Publishing Corporation, 1955.
Deismireacht MLAShippen, Katherine B. Miracle in Motion: The Story of America's Industry. New York, N.Y.: Berkley Publishing Corporation, 1955.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.