1. Alba, R., & Nee, V. (1997). Rethinking assimilation for a new era of immigration (pp. 826–874). New York: The Centre for Migration Studies of New York Inc.
2. Aldrich, H. E., & Waldinger, R. (1990). Ethnicity and Entrepreneurship. Annual Review of Sociology, 16, 111–135.
3. Allasino, E., Reyneri, E., Venturini, A., and Zincone, G. (2004). Discrimination of Foreign Workers in the Italian Labour Market, International Migration Papers, No. 67, Geneva, ILO.
4. Ambrosini, M. (2001). La fatica d’integrarsi. Il Mulino, Bologna: Immigrazione e lavoro in Italia.
5. Andrews, D., & Leigh, A. (2009). More inequality, less social mobility. Applied Economics Letters, 16(15), 1489–1492.