Bales, K. (2017). Contemporary Coercive Labor Practices: Slavery Today. In S. Drescher, D. Eltis, S. L. Engerman, & D. Richardson (Eds.), The Cambridge World History of Slavery, Volume 4, AD 1804–AD 2016 (655-678). Cambridge University Press. https://doi.org/10.1017/9781139046176.029