APA-ийн эшлэл(7 дахь хэвлэлт)
National Research Council (U.S.). Committee on the Effect of Smaller Crews on Maritime Safety & ebrary, Inc. (1990). Crew size and maritime safety. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
National Research Council (U.S.). Committee on the Effect of Smaller Crews on Maritime Safety ба Inc ebrary. Crew Size and Maritime Safety. Washington, D.C.: National Academy Press, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)
National Research Council (U.S.). Committee on the Effect of Smaller Crews on Maritime Safety ба Inc ebrary. Crew Size and Maritime Safety. National Academy Press, 1990.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.