Ludlum, R. (1984). The Aquitaine Progression. Arrow Books.
芝加哥风格引文Ludlum, Robert. The Aquitaine Progression. London: Arrow Books, 1984.
MLA引文Ludlum, Robert. The Aquitaine Progression. Arrow Books, 1984.
警告：这些引文格式不一定是100％准确.
APA引文