@article{Massey1993,
author = {Massey, D.S. and Arango, J. and Hugo, G. and Kouaouci, A. and Pellegrino, A. and Taylor, J.E.},
title= {Theories of international migration: A review and appraisal},
year = {1993},
doi = {10.2307/2938462},
volume = {193},
number = {431‒466},
}