APA-viite (7. p.)
Horrocks, T. A. (2014). Lincoln's campaign biographies. Southern Illinois University Press.
Chicago-viite (17. p.)
Horrocks, Thomas A. Lincoln's Campaign Biographies. Carbondale, Illinois: Southern Illinois University Press, 2014.
MLA-viite (9. p.)
Horrocks, Thomas A. Lincoln's Campaign Biographies. Southern Illinois University Press, 2014.
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