Wood, Natalie T. and Kenneth C. Herbst. 2007. and Political Parties: Does “Political Star Power Celebrity Endorsement Win First-Time 6,2/3: 141-158. Journal of Political Marketing, Votes,” Zeleny, Jeff. 2007. 18, 2012). “Oprah Endorses Obama,” (accessed February
Wood, Natalie T. and Kenneth C. Herbst. 2007. “Political Star Power and Political Parties: Does Celebrity Endorsement Win First-Time Votes,” Journal of Political Marketing, 6,2/3: 141-158. Zeleny, Jeff. 2007. “Oprah Endorses Obama,” (accessed February 18, 2012).