Douglass, F. (2010). Narrative of the life of frederick douglass. Project Gutenberg.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDouglass, Frederick. Narrative of the Life of Frederick Douglass. To be supplied: Project Gutenberg, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDouglass, Frederick. Narrative of the Life of Frederick Douglass. Project Gutenberg, 2010.
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