Não informado. (2020). Summary Report of the Geological Survey Branch of the Department of Mines. Geological Survey of Canada.
Chicago-referens (17:e uppl.)Não informado. Summary Report of the Geological Survey Branch of the Department of Mines. Ontario, Canada: Geological Survey of Canada, 2020.
MLA-referens (8:e uppl.)Não informado. Summary Report of the Geological Survey Branch of the Department of Mines. Geological Survey of Canada, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.