Chiswick, B. R. (1988). Illegal aliens: Their employment and employers. W. E. Upjohn Inst. for Employment Research.
Chicago-Zitierstil (17. Ausg.)Chiswick, Barry R. Illegal Aliens: Their Employment and Employers. Kalamazoo, Mich: W. E. Upjohn Inst. for Employment Research, 1988.
MLA-Zitierstil (9. Ausg.)Chiswick, Barry R. Illegal Aliens: Their Employment and Employers. W. E. Upjohn Inst. for Employment Research, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.