Não informado. AOPA Pilot. Aircraft Owners and Pilots Association.
Cita Chicago Style (17a ed.)Não informado. AOPA Pilot. Bethesda, Md: Aircraft Owners and Pilots Association.
Cita MLA (8a ed.)Não informado. AOPA Pilot. Aircraft Owners and Pilots Association.
Precaución: Estas citas no son 100% exactas.