1. a b c Cox, Jim (2008). Sold On Radio Advertisers in the Golden Age of Broadcasting. McFarland. p. 102 103. ISBN 0786433914.
2. Brenner, Marie (May 1996). “The Man Who Knew Too Much”. Vanity Fair 4.
3. Kessler, D. A. (1994). “The control and manipulation of nicotine in cigarettes”. Tobacco Control (3) 362 369.
4. “Deposition of Jeffrey Wigand, Ph.D.”. Legacy Tobacco Documents Library. University of California, San Francisco. November 14, 1996. Retrieved November 20, 2012.
5. Cox 2008, p. 231
6. “Our international brands”. British American Tobacco. Retrieved November 20, 2012.

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