Lighton, W. R. (1899). Sons of strength: A romance of the Kansas border wars. Doubleday & McClure Co..
Lua i Stíl Chicago (17ú heag.)Lighton, William R. Sons of Strength: A Romance of the Kansas Border Wars. New York: Doubleday & McClure Co., 1899.
Lua MLA (8ú heag.)Lighton, William R. Sons of Strength: A Romance of the Kansas Border Wars. Doubleday & McClure Co., 1899.
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