库珀 & 郭峰. (2010). 不要开口就错: Just ask the right questions to get what you want. 东方出版社.
Citación estilo Chicago库珀 and 郭峰. 不要开口就错: Just Ask the Right Questions to Get What You Want. 东方出版社, 2010.
Cita MLA库珀 and 郭峰. 不要开口就错: Just Ask the Right Questions to Get What You Want. 东方出版社, 2010.
警告：这些引文格式不一定是100％准确.