Kennedy John F. (2006). Profiles in courage. Harper Perennial ,Modeln Classics.
芝加哥风格引文Kennedy John F. Profiles in Courage. NewYork: Harper Perennial ,Modeln Classics, 2006.
MLA引文Kennedy John F. Profiles in Courage. Harper Perennial ,Modeln Classics, 2006.
警告：这些引文格式不一定是100％准确.