United States. Federal Aviation Administration. (2004). Reference materials and subject matter knowledge codes for airman knowledge testing. U.S. Dept. of Transportation, Federal Aviation Administration.
Chicago Style (17th ed.) CitationUnited States. Federal Aviation Administration. Reference Materials and Subject Matter Knowledge Codes for Airman Knowledge Testing. [Washington, D.C.]: U.S. Dept. of Transportation, Federal Aviation Administration, 2004.
MLA (9th ed.) CitationUnited States. Federal Aviation Administration. Reference Materials and Subject Matter Knowledge Codes for Airman Knowledge Testing. U.S. Dept. of Transportation, Federal Aviation Administration, 2004.
Warning: These citations may not always be 100% accurate.