Tohutoro APA (7th ed.)
ebrary, Inc, Burlingame, M., Hay, J., & Nicolay, J. G. (2007). Abraham Lincoln: The observations of John G. Nicolay and John Hay. Southern Illinois University Press.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, Michael Burlingame, John Hay, me John G. Nicolay. Abraham Lincoln: The Observations of John G. Nicolay and John Hay. Carbondale: Southern Illinois University Press, 2007.
Tohutoro MLA (9th ed.)
ebrary, Inc, et al. Abraham Lincoln: The Observations of John G. Nicolay and John Hay. Southern Illinois University Press, 2007.
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