Não informado. (2001). Annual report of the Department of the Interior. Department of the Interior.
Chicago-referens (17:e uppl.)Não informado. Annual Report of the Department of the Interior. Ottawa: Department of the Interior, 2001.
MLA-referens (8:e uppl.)Não informado. Annual Report of the Department of the Interior. Department of the Interior, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.