Friedenberg, R. V. (2002). Notable speeches in contemporary presidential campaigns. Praeger.
芝加哥风格引文Friedenberg, Robert V. Notable Speeches in Contemporary Presidential Campaigns. Westport, Conn.: Praeger, 2002.
MLA引文Friedenberg, Robert V. Notable Speeches in Contemporary Presidential Campaigns. Praeger, 2002.
警告：这些引文格式不一定是100％准确.