Dixon Matthew. (2012). Challenger Sale: Taking Control of the Customer Conversation. Portfolio.
芝加哥风格引文Dixon Matthew. Challenger Sale: Taking Control of the Customer Conversation. London: Portfolio, 2012.
MLA引文Dixon Matthew. Challenger Sale: Taking Control of the Customer Conversation. Portfolio, 2012.
警告：这些引文格式不一定是100％准确.