APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, Campbell, A. K., & Dix, L. S. (1990). Recruitment, retention, and utilization of federal scientists and engineers: A report to the Carnegie Commission on Science, Technology, and Government. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, Alan K. Campbell, ба Linda S. Dix. Recruitment, Retention, and Utilization of Federal Scientists and Engineers: A Report to the Carnegie Commission on Science, Technology, and Government. Washington, D.C.: National Academy Press, 1990.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, et al. Recruitment, Retention, and Utilization of Federal Scientists and Engineers: A Report to the Carnegie Commission on Science, Technology, and Government. National Academy Press, 1990.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.