APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, Borjas, G. J., & Freeman, R. B. (1992). Immigration and the work force: Economic consequences for the United States and source areas. University of Chicago Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, George J. Borjas, ба Richard B. Freeman. Immigration and the Work Force: Economic Consequences for the United States and Source Areas. Chicago: University of Chicago Press, 1992.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, et al. Immigration and the Work Force: Economic Consequences for the United States and Source Areas. University of Chicago Press, 1992.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.