Cugoano, O. (1787). Thoughts and sentiments on the evil and wicked traffic of the slavery and commerce of the human species humbly submitted to the inhabitants of Great-Britain. [s.n.].
Dyfyniad Arddull ChicagoCugoano, Ottobah. Thoughts and Sentiments on the Evil and Wicked Traffic of the Slavery and Commerce of the Human Species Humbly Submitted to the Inhabitants of Great-Britain. London: [s.n.], 1787.
Dyfyniad MLACugoano, Ottobah. Thoughts and Sentiments on the Evil and Wicked Traffic of the Slavery and Commerce of the Human Species Humbly Submitted to the Inhabitants of Great-Britain. [s.n.], 1787.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.