1. Adam, C, & Devillard, A. (2009). Comparative Study of the Laws in the 27 EU Member States for Legal Immigration Including an Assessment of the Conditions and Formalities Imposed by Each Member State for Newcomers. Geneva: European Parliament, IOM.
2. Anderson, B. (2008). Migrants and Work-related Rights. Ethics and International Affairs, 22(2), 199–203.
3. Appleyard, R., & Stahl, C. W. (1995). South Pacific Migration: New Zealand Experience and Implications for Australia. Canberra: Australian Agency for International Development.
4. Avato, J, Koettl, J, & Sabates-Wheeler, R. (2010). Social Security Regimes, Global Estimates, and Good Practices: The Status of Social Protection for International Migrants. World Development, 38(4), 455–466.
5. Becker, J, & Heller, W. (2002). Polnische Saisonarbeiter in der Bundesrepublik Deutschland. Politische und Ökonomische Bedingungen eines Spezifischen Temporären Arbeitsmigrationssystems [Polish seasonal workers in the Federal Republic of Germany . Political and economic conditions of a specific temporary labor migration system. Berichte zur Deutschen Landeskunde, 76(1), 71–87.