Cigarette Smoking and the Tobacco Industry in 1978, produced for the Tobacco Institute and released under the terms of the Tobacco Master Settlement Agreement
University Press. Givel, Michael (2006). "Punctuated Equilibrium in Limbo: The Tobacco Lobby and U.S. State Policy Making From 1990 to 2003." Policy Studies Journal
Alcohol, Tobacco, Firearms and Explosives. 20 במאי 1998. אורכב מ-המקור ב-6 במאי 2006. נבדק ב-22 באוקטובר 2007. {{cite web}}: (עזרה) "Read The Politics of Gun