United States. Federal Aviation Administration. Office of Flight Standards Service. (2005). Private pilot: Practical test standards for rotorcraft, helicopter, gyroplane. U.S. Dept. of Transportation, Federal Aviation Administration, Flight Standards Service.
Chicago Style (17th ed.) CitationUnited States. Federal Aviation Administration. Office of Flight Standards Service. Private Pilot: Practical Test Standards for Rotorcraft, Helicopter, Gyroplane. Washington, DC: U.S. Dept. of Transportation, Federal Aviation Administration, Flight Standards Service, 2005.
MLA (9th ed.) CitationUnited States. Federal Aviation Administration. Office of Flight Standards Service. Private Pilot: Practical Test Standards for Rotorcraft, Helicopter, Gyroplane. U.S. Dept. of Transportation, Federal Aviation Administration, Flight Standards Service, 2005.