Keckley, E. (2013). Behind the scenes, or, Thirty years a slave, and four years in the White House. Wildside Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeckley, Elizabeth. Behind the Scenes, or, Thirty Years a Slave, and Four Years in the White House. Lexington, KY: Wildside Press, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKeckley, Elizabeth. Behind the Scenes, or, Thirty Years a Slave, and Four Years in the White House. Wildside Press, 2013.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.