Weatherford, C. B., & Graham, D. (2020). Box: Henry brown mails himself to freedom (Unabridged.). Dreamscape Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeatherford, Carole Boston, और Dion Graham. Box: Henry Brown Mails Himself to Freedom. Unabridged. Holland: Dreamscape Media, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeatherford, Carole Boston, और Dion Graham. Box: Henry Brown Mails Himself to Freedom. Unabridged. Dreamscape Media, 2020.
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