Não informado. (2004). Miscellaneous Papers. Department of Mines and Technical Surveys, Geographical Branch.
Chicago-referens (17:e uppl.)Não informado. Miscellaneous Papers. Ottawa: Department of Mines and Technical Surveys, Geographical Branch, 2004.
MLA-referens (8:e uppl.)Não informado. Miscellaneous Papers. Department of Mines and Technical Surveys, Geographical Branch, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.