1. The International Prevalence Study on Physical Activity: results from 20 countries;Bauman;Int J Behav Nutr Phys Act,2009
2. SPARC (Sport and Recreation New Zealand). Active New Zealand Survey. Sport and recreation participation profiles levels. Factsheet. Findings from the 2007/08 Active New Zealand Survey. 2009. Available at: http://www.activenzsurvey.org.nz/documents/participation-levels.pdf. Accessed November 7, 2013.
3. Natural hazards and visitor safety in New Zealand׳s national parks;Dingwall;N Z Geographer,1989
4. Dignan A, Cessford G. Outdoor recreation participation and incidents in New Zealand. 2009. Available at: http://www.mountainsafety.org.nz/files/participation-and-incident-gc-fixed.pdf. Accessed November 7, 2009.
5. New Zealand Search and Rescue Council. Annual report 2011–2012. 2012. Available at: http://searchandrescuecouncil.org.nz/portals/0/publications/nzsar%20annual%20reports/nzsar%20annual%20report%202011-2012.pdf. Accessed November 7, 2013.