United States. Federal Aviation Administration. Air Traffic Publications & Air Traffic Airspace Management Program (U.S.). Air Traffic Publications Library (Version 990715.).
Chicago Style (17th ed.) CitationUnited States. Federal Aviation Administration. Air Traffic Publications and Air Traffic Airspace Management Program (U.S.). Air Traffic Publications Library. Version 990715.
MLA (9th ed.) CitationUnited States. Federal Aviation Administration. Air Traffic Publications and Air Traffic Airspace Management Program (U.S.). Air Traffic Publications Library. Version 990715.
Warning: These citations may not always be 100% accurate.