Marshall, P. J. (1968). The anti-slave trade movement in Bristol. Bristol Branch of the Historical Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarshall, P. J. The Anti-slave Trade Movement in Bristol. Bristol: Bristol Branch of the Historical Association, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarshall, P. J. The Anti-slave Trade Movement in Bristol. Bristol Branch of the Historical Association, 1968.
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