Daugherty, M., Hampson, T., Preu, E., Lincoln, A., & Webern, A. (2010). Letters from Lincoln. Manufactured and distributed by E1 Music.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDaugherty, Michael, Thomas Hampson, Eckart Preu, Abraham Lincoln, और Anton Webern. Letters from Lincoln. Port Washington, New York: Manufactured and distributed by E1 Music, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDaugherty, Michael, et al. Letters from Lincoln. Manufactured and distributed by E1 Music, 2010.
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