Transnazionalismo e diaspora italiana in America Latina - (2003), Keeping Feet in Both Worlds: Transnational Practices and Immi- grant Incorporation in the United States, in Joppke e Morawska 2003, pp. 177-94. Massey, Douglas S. et al. (1987), Return to Aztlan: The Social Process of International Migration from Western Mexico, Berkeley (CA), University of California Press. Morawska, Ewa (2001), Immigrants, Transnationalism, and Ethnicization, in Gerstle e Mollenkoff 2001, pp. 115-212. - (2003), Immigrant Transnationalism and Assimilation, in Joppke e Mo- rawska 2003, pp. 133-76. Ostergren, Robert C. (1982), «Kinship Networks and Migration», in Social Science History, vol. 6, n. 3, pp. 293-320. Portes, Alejandro (1999), «The Study of Transnationalism», in Ethnic and Racial Studies, vol. 22, n. 2, pp. 217-37. - (2001), «Introduction: The Debates and Significance of Immigrant Transnationalism», in New Research and Theory on Immigrant Transnationalism, numero speciale di Global Networks, n. 1, 3, pp. 181-93. Portes, Alejandro, Guamizo, Luis Eduard e Landolt, Patricia (1999), «The Study of Transnationalism: Pitfalls and Promise of an Emergent Research Field», in Ethnic and Racial Studies, vol. 22, n. 2, p. 218. Ramirez, Bruno (1991), On the Move: French-Canadian and Italian Migrants in the North Atlantic Economy, 1860-1914, Toronto, McClelland & Stewart. Smith, Michael Peter e Guamizo, Luis Eduardo (a cura di) (1998), Transnationalism from Below, New Bmnswick (NJ), Transaction Publishers. Smith, Robert C. (2001), «Comparing Local-Level Swedish and Mexican Transnational Life», in Ludger Pries (a cura di), New Transnational Social Spaces: International Migration and Transnational Companies in the Early Twenty-First Century, London, Routledge, pp. 37-58. Tilly, Charles (1990), «Transplanted Networks», in Virginia Yans-McLau-ghlin (a cura di), Immigration Reconsidered: History, Sociology, and Politics, New York, Oxford University Press. Vecoli, Rudolph J. e Sinke, Suzanne M. (a cura di) (1991), A Century of European Migration, 1830-1930, Urbana (IL), University of Illinois Press. Zucchi, John (1985), «Occupations, Enterprise and the Migration Chain», in Studi Emigrazione, n. 77, pp. 68-79. 69