United States. Federal Aviation Administration. (1996). Operation of hot air balloons with airborne heaters. U.S. Department of Transportation, Federal Aviation Administration.
Chicago Style (17th ed.) CitationUnited States. Federal Aviation Administration. Operation of Hot Air Balloons with Airborne Heaters. Washington, D.C.: U.S. Department of Transportation, Federal Aviation Administration, 1996.
MLA (9th ed.) CitationUnited States. Federal Aviation Administration. Operation of Hot Air Balloons with Airborne Heaters. U.S. Department of Transportation, Federal Aviation Administration, 1996.
Warning: These citations may not always be 100% accurate.