Dyfyniad APA

Drescher, S., & Engerman, S. L. (1998). Historical guide to World Slavery. Oxford University.

Dyfyniad Arddull Chicago

Drescher, Seymour, and Slanley L. Engerman. Historical Guide to World Slavery. New York: Oxford University, 1998.

Dyfyniad MLA

Drescher, Seymour, and Slanley L. Engerman. Historical Guide to World Slavery. Oxford University, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.