Gaya APA
Transportation, U, D, O. (1997).
Commercial Pilot Practical Test Standards FAA-S-8081-12A .
:
FEDERAL AVIATION ADMINISTRAION.
Gaya MLA
Transportation, U.S., Department, Of.
"Commercial Pilot Practical Test Standards FAA-S-8081-12A".
:
FEDERAL AVIATION ADMINISTRAION,
1997.
Text.