Gentle Michael. (2002). CRM Project Management Handbook: Building realistic expectations and managing risk. Kongan Page Ltd.
芝加哥风格引文Gentle Michael. CRM Project Management Handbook: Building Realistic Expectations and Managing Risk. London: Kongan Page Ltd, 2002.
MLA引文Gentle Michael. CRM Project Management Handbook: Building Realistic Expectations and Managing Risk. Kongan Page Ltd, 2002.
警告：这些引文格式不一定是100％准确.