American Anti-Slavery Society, Massachusetts Anti-slavery Fair, National Anti-slavery Bazaar, & Chapman, M. W. (1839). The Liberty bell. American Anti-Slavery Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Anti-Slavery Society, Massachusetts Anti-slavery Fair, National Anti-slavery Bazaar, और Maria Weston Chapman. The Liberty Bell. Boston: American Anti-Slavery Society, 1839.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmerican Anti-Slavery Society, et al. The Liberty Bell. American Anti-Slavery Society, 1839.
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