Norman (May 2003). “Activists and Partisan Realignment in the UnitedStates”. The American Political Science Review 97 (2): 245–260. JSTOR 3118207. ^ Craig
"Forest Physiography: Physiography of the UnitedStates and Principles of Soils in Relation to Forestry." American Environmental Studies. Reprint ed. Charles
cigarettes, and tobacco”. UK television adverts 1955–1990. United Kingdom: Headington, Oxford. 2009年4月17日閲覧。 “Cigarette and tobacco advertising was banned