Kuptsch, C. (2004). The illegal employment of foreigners in Europe: The protection of illegally employed foreign workers: mission impossible? International Labour Organization.
Citazione stile Chigago Style (17a edizione)Kuptsch, Christiane. The Illegal Employment of Foreigners in Europe: The Protection of Illegally Employed Foreign Workers: Mission Impossible? International Labour Organization, 2004.
Citatione MLA (9a ed.)Kuptsch, Christiane. The Illegal Employment of Foreigners in Europe: The Protection of Illegally Employed Foreign Workers: Mission Impossible? International Labour Organization, 2004.
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