Billington, D. P. (1996). The innovators: The engineering pioneers who made American modern. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoBillington, David P. The Innovators: The Engineering Pioneers Who Made American Modern. New York: John Wiley and Sons, 1996.
Deismireacht MLABillington, David P. The Innovators: The Engineering Pioneers Who Made American Modern. New York: John Wiley and Sons, 1996.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.