Committee on Aircraft Engine Emmissions Meeting & Organization, I. C. A. (1980). Committee on aircraft engine emissions-report. ICAO.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Committee on Aircraft Engine Emmissions Meeting ба International Civil Aviation Organization. Committee on Aircraft Engine Emissions-report. ICAO, 1980.
MLA -ийн эшлэл (9 дэх хэвлэлт)Committee on Aircraft Engine Emmissions Meeting ба International Civil Aviation Organization. Committee on Aircraft Engine Emissions-report. ICAO, 1980.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.