@article{ref1,
title="What Is Human Trafficking? A Review Essay",
journal="Signs",
year="2012",
author="Parrenas, Rhacel Salazar and Hwang, Maria Cecilia and Lee, Heather Ruth",
volume="37",
number="4",
pages="1015-1029",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0097-9740",
doi="10.1086/664472",
url="http://dx.doi.org/10.1086/664472"
}