Whitehead, C. (2016). The underground railroad. Doubleday.
Lua i Stíl Chicago (17ú heag.)Whitehead, Colson. The Underground Railroad. New York: Doubleday, 2016.
Lua MLA (8ú heag.)Whitehead, Colson. The Underground Railroad. Doubleday, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.