Não informado. (2002). The Public Health Journal. Canadian Public Health Association.
Chicago-referens (17:e uppl.)Não informado. The Public Health Journal. Toronto, Canada: Canadian Public Health Association, 2002.
MLA-referens (8:e uppl.)Não informado. The Public Health Journal. Canadian Public Health Association, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.