Não informado. (2002). Cancer in Ontario. Ontario Cancer Treatment and Research Foundation.
Chicago-referens (17:e uppl.)Não informado. Cancer in Ontario. Toronto, Canada: Ontario Cancer Treatment and Research Foundation, 2002.
MLA-referens (8:e uppl.)Não informado. Cancer in Ontario. Ontario Cancer Treatment and Research Foundation, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.