Tohutoro APA (7th ed.)
Sandburg, C. (1954). Abraham lincoln. Harcourt brace.
Tohutoru Kātū Chicago (17th ed.)
Sandburg, Carl. Abraham Lincoln. New York: Harcourt brace, 1954.
Tohutoro MLA (9th ed.)
Sandburg, Carl. Abraham Lincoln. Harcourt brace, 1954.
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