Turner, F. J., & Craven, A. O. (1965). The United States, 1830-1850: The Nation and its sections. Norton.
Lua i Stíl Chicago (17ú heag.)Turner, Frederick Jackson, agus Avery Odelle Craven. The United States, 1830-1850: The Nation and Its Sections. New York: Norton, 1965.
Lua MLA (9ú heag.)Turner, Frederick Jackson, agus Avery Odelle Craven. The United States, 1830-1850: The Nation and Its Sections. Norton, 1965.
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