United States. Flight Standards Service. (2015). Flight and ground instructor knowledge test guide. U.S. Department of Transportation, Federal Aviation Administration.
Chicago Style (17th ed.) CitationUnited States. Flight Standards Service. Flight and Ground Instructor Knowledge Test Guide. [Washington, DC]: U.S. Department of Transportation, Federal Aviation Administration, 2015.
MLA (9th ed.) CitationUnited States. Flight Standards Service. Flight and Ground Instructor Knowledge Test Guide. U.S. Department of Transportation, Federal Aviation Administration, 2015.
Warning: These citations may not always be 100% accurate.