1. Exploring Contemporary Migration;Boyle,1998
2. The Age of Migration: International Population Movements in the Modern World;Castles,2003
3. The California Cauldron: Immigration and the Fortunes of Local Communities;Clarke,1998
4. Migration, unemployment and development: A two-sector analysis;Harris;The American Economic Review,1970
5. International Migration: A Very Short Introduction;Khoser,2007