Source:"Preventing Tobacco Use Among Youth and Young Adults: A Report of the Surgeon General, 2012." U.S. Department of Health and Human Services, CDC, Public Health Service, Office of the Surgeon General. 2012. Report.
Source:Wellman, Robert J., et al. "The Extent to Which Tobacco Marketing and Tobacco Use in Films Contribute to Children's Use of Tobacco: A Meta-analysis." Archive of Pediatric and Adolescent Medicine. Jan. 2007.
Source:Cullen, Jennifer, et al. "Depictions of Tobacco Use in 2007 Broadcast Television Programming Popular Among US Youth." Archives of Pediatric and Adolescent Medicine. 165(2). 07 Feb. 2011: 147-151. Web.