Caselli, G., & Vallin, J. (2006). Cohort approach to external migration flows. Enthalten in Demography ; Graziella Casseli, Jacques Vallin, and Guillaume Wunsch Amsterdam [u.a.], 2006 Vol. 1 ; S. 149 - 160.
Dyfyniad Arddull ChicagoCaselli, Graziella, and Jacques Vallin. "Cohort Approach to External Migration Flows." Enthalten in Demography ; Graziella Casseli, Jacques Vallin, and Guillaume Wunsch Amsterdam [u.a.], 2006 Vol. 1 ; S. 149 - 160 2006.
Dyfyniad MLACaselli, Graziella, and Jacques Vallin. "Cohort Approach to External Migration Flows." Enthalten in Demography ; Graziella Casseli, Jacques Vallin, and Guillaume Wunsch Amsterdam [u.a.], 2006 Vol. 1 ; S. 149 - 160 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.