1. Trades Union Congress (TUC): Overworked, underpaid and over here — Migrant workers in Britain, European Union and International Relations Department, July 2003, case study.
2. Roger Böhning: The Protection of Migrant Workers and International Labour Standards, in: International Migration, Vol. 26, No. 2, 1988.
3. For details cf.: Reports of the Committee on Freedom of Association, Spain (Case No. 2121), The General Union of Workers of Spain (UGT), 23.3.2001, Denial of the right to organize and strike, freedom of assembly and association, the right to demonstrate and collective bargaining rights to “irregular” foreign workers, Report No. 327 (Vol. LXXXV, 2002, Series B, No. 1).
4. Bimal Ghosh: Hurdled Masses and Uncertain Shores, International Organization for Migration (IOM) & Martinus Nijhoff Publishers 1998, Kluwer Law International.
5. Philip L. Martin, Manolo I. Abella: Globalization and Guest Workers: Migration for Employment in the 21st Century, forthcoming.