1. Chapter 12.1 Health warnings;Scollo,2013
2. Television Act, 1964, (1964). http://www.legislation.gov.uk/ukpga/1964/26
3. Public Health Cigarette Smoking Act, (1969). http://www.law.cornell.edu/uscode/text/15/1331
4. The Smokefree Coalition. The history of tobacco control in New Zealand. 2012. http://www.sfc.org.nz/infohistory.php