Brawley, B. G. (1921). A social history of the American Negro: Being a history of Negro problem in the United States, including a history and study of the republic of Liberian. Macmillan.
Lua i Stíl Chicago (17ú heag.)Brawley, Benjamin Griffith. A Social History of the American Negro: Being a History of Negro Problem in the United States, Including a History and Study of the Republic of Liberian. New York: Macmillan, 1921.
Lua MLA (9ú heag.)Brawley, Benjamin Griffith. A Social History of the American Negro: Being a History of Negro Problem in the United States, Including a History and Study of the Republic of Liberian. Macmillan, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.