National Health and Medical Research Council. (2009). Australian guidelines to reduce health risks from drinking alcohol: Commonwealth of Australia. Available at http://www.nhmrc.gov.au/guidelines/publications/ds10
 Department for Communities Office for Youth and Drug and Alcohol Office. (2007). Young People and Alcohol. Government of Western Australia.
 Hingson, R., Heeren, T. & Winter, M. (2006). Age at drinking onset and alcohol dependence: age at onset, duration, and severity. Archive Pediatric Adolescent Medicine. 160:739–46.