APA-ийн эшлэл(7 дахь хэвлэлт)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration & ebrary, Inc. (1999). A science strategy for the exploration of Europa. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration ба Inc ebrary. A Science Strategy for the Exploration of Europa. Washington, D.C.: National Academy Press, 1999.
MLA -ийн эшлэл (9 дэх хэвлэлт)
National Research Council (U.S.). Committee on Planetary and Lunar Exploration ба Inc ebrary. A Science Strategy for the Exploration of Europa. National Academy Press, 1999.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.