1. Alcohol Justice (formerly Marin Institute) 2009 Out of Home Advertising: A 21st Century Guide to Effective Regulation http://alcoholjustice.org/images/stories/pdfs/miadguide.pdf
2. American Academy of Pediatrics (AAP) 2010 Policy Statement-Children, Adolescents, Substance Abuse, and the Media http://pediatrics.aappublications.org/content/early/2010/09/27/peds.2010-1635.full.pdf
3. American Association of Family Physicians (AAFP) 2010 Alcohol Advertising and Youth (Position Paper) http://www.aafp.org/about/policies/all/alcohol-advertising.html
4. American Public Transportation Association (APTA) 2007 A Profile of Public Transportation Passenger Demographics and Travel Characteristics Reported in On-Board Surveys http://www.apta.com/resources/statistics/Documents/transit_passenger_characteristics_text_5_29_2007.pdf
5. --- 2012 2012 Public Transportation Fact Book http://www.apta.com/resources/statistics/Documents/FactBook/APTA_2012_Fact%20Book.pdf