1. United States Census Bureau. Table 1: Annual estimates of the population for incorporated places over 100,000. Ranked by July 1, 2005 population. April 1, 2013 to July 1, 2005. 2005 population estimates. http://www.census.gov/popest/cities/tables/SUB-EST2005-01.csv . Accessed on: June 25, 2008.
2. Ackman D. Forbes website. How big is porn? http://www.forbes.com/2001/05/25/0524porn.html . Accessed on: June 26, 2008.
3. Schlosser E. Reefer madness: sex, drugs and cheap labor in the American black market. New York: Houghton Mifflin; 2003:168.
4. People v Freeman, 250 Cal.Rptr. 589 (Cal. 1988).
5. Grudzen CR, Kerndt PR. The adult film industry: time to regulate? PLoS Med. 2007;4(6):e126. doi: 10.1371/journal.pmed.0040126 .