Dyfyniad APA

Arnold, I. N. (1994). The life of Abraham Lincoln (4th ed.). University of Nebraska Press.

Dyfyniad Arddull Chicago

Arnold, Isaac Newton. The Life of Abraham Lincoln. 4th ed. Lincoln: University of Nebraska Press, 1994.

Dyfyniad MLA

Arnold, Isaac Newton. The Life of Abraham Lincoln. 4th ed. University of Nebraska Press, 1994.

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