International Organization for Migration, United Nations Population Fund, & Appleyard, R. T. (1999). Migration and development. International Organization for Migration.
Cita Chicago (17th ed.)International Organization for Migration, United Nations Population Fund, i Reginald T. Appleyard. Migration and Development. Geneva: International Organization for Migration, 1999.
Cita MLA (9th ed.)International Organization for Migration, et al. Migration and Development. International Organization for Migration, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.