Goldsby, R. A. (1971). Race and races. Macmillan.
Lua i Stíl Chicago (17ú heag.)Goldsby, Richard A. Race and Races. New York: Macmillan, 1971.
Lua MLA (9ú heag.)Goldsby, Richard A. Race and Races. Macmillan, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.