Não informado. (1964). Canadian cartographer. York University, Department of Geography.
Chicago-referens (17:e uppl.)Não informado. Canadian Cartographer. Toronto, Canada: York University, Department of Geography, 1964.
MLA-referens (8:e uppl.)Não informado. Canadian Cartographer. York University, Department of Geography, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.