de Haas, H. (2009). Migration system formation and decline: A theoretical inquiry into the self-perpetuating and self-undermining dynamics of migration processes. International Migration Institute.
Chicago-referens (17:e uppl.)de Haas, H. Migration System Formation and Decline: A Theoretical Inquiry into the Self-perpetuating and Self-undermining Dynamics of Migration Processes. International Migration Institute, 2009.
MLA-referens (9:e uppl.)de Haas, H. Migration System Formation and Decline: A Theoretical Inquiry into the Self-perpetuating and Self-undermining Dynamics of Migration Processes. International Migration Institute, 2009.
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