रिकॉर्ड उद्धरण

APA (7 वां संस्करण) प्रशस्ति पत्र
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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Michael Burlingame, John Hay, और John G. Nicolay. Abraham Lincoln: The Observations of John G. Nicolay and John Hay. Carbondale: Southern Illinois University Press, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Abraham Lincoln: The Observations of John G. Nicolay and John Hay. Southern Illinois University Press, 2007.
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