Não informado. United States aviation reports. U.S. Aviation Reports.
Chicago-referens (17:e uppl.)Não informado. United States Aviation Reports. Baltimore, Md: U.S. Aviation Reports.
MLA-referens (8:e uppl.)Não informado. United States Aviation Reports. U.S. Aviation Reports.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.