@misc{Dowlah_C._A._F._Foundations_2021, author={Dowlah, C. A. F.}, address={Oxon New York}, howpublished={online}, year={2021}, publisher={Routledge Taylor & Francis Group}, title={Foundations of modern slavery : profiles of unfree and coerced labor through the ages}, keywords={historia pracy, praca, praca przymusowa}, }