Bean, Ronald G. “The Jackson Automobile, Part I: A history by Ronald G. Bean.” Reprinted from The Bulb Horn, Vol. XXXI, No. 4, July–August 1970 with the permission of the Ronald G. Bean Estate. http://www.vmcca.org/bh/jackson_automobile.htmنسخة محفوظة 2012-09-21 على موقع واي باك مشين.
Bean, Ronald G. “The Jackson Automobile, Part I: A history by Ronald G. Bean.” Reprinted from The Bulb Horn, Vol. XXXI, No. 4, July–August 1970 with the permission of the Ronald G. Bean Estate. http://www.vmcca.org/bh/jackson_automobile.htmنسخة محفوظة 2012-09-21 على موقع واي باك مشين.