1. International Organization for Migrationhttp://www.iom.int/jahia/Jahia/media/news-releases/newsArticleEU/cache/offonce?entryId=28709
2. South-South Migration and Remittanceshttp://www.migrationinformation.org/Feature/display.cfm?ID=641
3. The Uprooted: The Epic Story of the Great Migrations that made the American People;Handlin,1951
4. Immigrant America: A Portrait;Portes,1990
5. Into the Margins: Migration and Exclusion in Southern Europe;Anthias,1998