Wade, R. C. (1967). Slavery in the cities: The South, 1820-1860. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Wade, Richard C. Slavery in the Cities: The South, 1820-1860. London ; New York: Oxford University Press, 1967.
Lua MLA (9ú heag.)Wade, Richard C. Slavery in the Cities: The South, 1820-1860. Oxford University Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.