Não informado. (2018). Canadian Wildlife Service Report Series. Canadian Wildlife Service.
Chicago-referens (17:e uppl.)Não informado. Canadian Wildlife Service Report Series. Ottawa: Canadian Wildlife Service, 2018.
MLA-referens (8:e uppl.)Não informado. Canadian Wildlife Service Report Series. Canadian Wildlife Service, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.