Guynup, Sharon (2011). "The Jaguar Freeway". Smithsonian. No. October 2011. pp. 48–57. Archived from the original on November 14, 2013. Retrieved December 1, 2011.
Guynup, Sharon (2011). "The Jaguar Freeway". Smithsonian. No. October 2011. pp. 48–57. Archived from the original on November 14, 2013. Retrieved December 1, 2011.