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.
Cita Chicago Style (17a ed.)库珀 y 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 (8a ed.)库珀 y 郭峰. 不要开口就错: Just Ask the Right Questions to Get What You Want. 东方出版社, 2010.
Precaución: Estas citas no son 100% exactas.