Aitken, H. G. J. (1971). Did slavery pay?: Readings in the economics of Black slavery in the United States. Houghton Mifflin.
Cita Chicago (17th ed.)Aitken, Hugh G. J. Did Slavery Pay?: Readings in the Economics of Black Slavery in the United States. Boston: Houghton Mifflin, 1971.
Cita MLA (8th ed.)Aitken, Hugh G. J. Did Slavery Pay?: Readings in the Economics of Black Slavery in the United States. Houghton Mifflin, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.