Emigration and immigration - History - 21st century.

Global migration : challenges in the twenty-first century by: Khory, Kavita R. (1962-) (書目-電子資源)

The migration-development nexus : a transnational perspective by: Fauser, Margit (1972-); Faist, Thomas (1959-); Palgrave Connect (Online service); Kivisto, Peter (1948-) (書目-電子資源)