Drescher, S., & Engerman, S. L. (1998). Historical guide to World Slavery. Oxford University.
Čikaški stil citiranjaDrescher, Seymour, i Slanley L. Engerman. Historical Guide to World Slavery. New York: Oxford University, 1998.
MLA način citiranjaDrescher, Seymour, i Slanley L. Engerman. Historical Guide to World Slavery. Oxford University, 1998.
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