Ries, A. (1992). Horse sense. Penguin Books.
芝加哥风格引文Ries, Al. Horse Sense. New York: Penguin Books, 1992.
MLA引文Ries, Al. Horse Sense. Penguin Books, 1992.
警告：这些引文格式不一定是100％准确.
APA引文
Ries, A. (1992). Horse sense. Penguin Books.
芝加哥风格引文Ries, Al. Horse Sense. New York: Penguin Books, 1992.
MLA引文Ries, Al. Horse Sense. Penguin Books, 1992.