American Anti-Slavery Society, Massachusetts Anti-slavery Fair, National Anti-slavery Bazaar, & Chapman, M. W. (1839). The Liberty bell. American Anti-Slavery Society.
Lua i Stíl Chicago (17ú heag.)American Anti-Slavery Society, Massachusetts Anti-slavery Fair, National Anti-slavery Bazaar, agus Maria Weston Chapman. The Liberty Bell. Boston: American Anti-Slavery Society, 1839.
Lua MLA (8ú heag.)American Anti-Slavery Society, et al. The Liberty Bell. American Anti-Slavery Society, 1839.
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