Dyfyniad APA

American Oil Company. (1967). American traveler's guide to Negro history (3rd ed.). American Oil Co..

Dyfyniad Arddull Chicago

American Oil Company. American Traveler's Guide to Negro History. 3rd ed. Chicago: American Oil Co., 1967.

Dyfyniad MLA

American Oil Company. American Traveler's Guide to Negro History. 3rd ed. American Oil Co., 1967.

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