“Introduction.” NAFTA and Labor in North America, by NORMAN CAULFIELD, University of Illinois Press, Urbana; Chicago, 2010, pp. 1–8, www.jstor.org/stable/10.5406/j.ctt1x74hf.4. Accessed 30 July 2021.
CAULFIELD, N. (2010). Introduction. In NAFTA and Labor in North America (pp. 1-8). Urbana; Chicago: University of Illinois Press. Retrieved July 30, 2021, from http://www.jstor.org/stable/10.5406/j.ctt1x74hf.4
CAULFIELD, NORMAN. "Introduction." In NAFTA and Labor in North America, 1-8. Urbana; Chicago: University of Illinois Press, 2010. Accessed July 30, 2021. http://www.jstor.org/stable/10.5406/j.ctt1x74hf.4.
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