APA-ийн эшлэл(7 дахь хэвлэлт)
National Research Council (U.S.). Committee on the Education and Utilization of the Engineer & ebrary, Inc. (1985). Engineering employment characteristics. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
National Research Council (U.S.). Committee on the Education and Utilization of the Engineer ба Inc ebrary. Engineering Employment Characteristics. Washington, D.C.: National Academy Press, 1985.
MLA -ийн эшлэл (9 дэх хэвлэлт)
National Research Council (U.S.). Committee on the Education and Utilization of the Engineer ба Inc ebrary. Engineering Employment Characteristics. National Academy Press, 1985.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.