Não informado. (1950). Journal of the Canadian Association of Radiologists. Canadian Association of Radiologists.
Chicago-referens (17:e uppl.)Não informado. Journal of the Canadian Association of Radiologists. Montreal, Canada: Canadian Association of Radiologists, 1950.
MLA-referens (8:e uppl.)Não informado. Journal of the Canadian Association of Radiologists. Canadian Association of Radiologists, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.