@article{Flores-Yeffal2011,
author = {Flores-Yeffal, N.Y. and Aysa-Lastra, M.},
title= {Place of origin, types of ties, and support networks in Mexico‒U.S. migration},
year = {2011},
doi = {10.1111/j.1549-0831.2011.00060.x},
volume = {76},
number = {4},
pages = {481‒510},
}