Lang, H. J. (1946). The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches (5. Aufl.). The World Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLang, H. Jack. The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches. 5. Aufl. Cleveland;New York: The World Publishing Company, 1946.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLang, H. Jack. The Wit and Wisdom of Abraham Lincoln as Reflected in His Briefer Letters and Speeches. 5. Aufl. The World Publishing Company, 1946.
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