Jackson, C. (2004). Barriers between us: Interracial sex in nineteenth-century American literature. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Jackson, Cassandra. Barriers Between Us: Interracial Sex in Nineteenth-century American Literature. Bloomington: Indiana University Press, 2004.
Lua MLA (9ú heag.)Jackson, Cassandra. Barriers Between Us: Interracial Sex in Nineteenth-century American Literature. Indiana University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.