Hatzenbuehler. Jefferson, Lincoln, and the Unfinished Work of the Nation. Southern Illinois University Press.
芝加哥风格引文Hatzenbuehler. Jefferson, Lincoln, and the Unfinished Work of the Nation. Southern Illinois University Press.
MLA引文Hatzenbuehler. Jefferson, Lincoln, and the Unfinished Work of the Nation. Southern Illinois University Press.
警告：这些引文格式不一定是100％准确.