1. Ajdacic-Gross, V., Weiss, M. G. Ring, M., Hepp, U., Bopp, M., Gutzwiller, F., et al. (2008), Methods of suicide: International suicide patterns derived from the WHO mortality database. Bulletin of the World Health Organization, 86(9), 726–732.
http://www.who.int/bulletin/volumes/86/9/0042-9686_86_07-043489-table-T1.html
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2. Alvarez, A. (1974). The savage God: A study of suicide. London: Penguin Books.
3. Améry, J. (1999). On suicide: A discourse on voluntary death. Bloomington, IN: Indiana University Press.
4. Ashfield, J., Smith, A., & Bain, L. (2015, July). Facts about suicide. Australian Institute of Male Health and Studies.
5. Baechler, J. (1975). Suicides. New York: Basic Books.