Ellet William. (2007). Case Study Handbook: How to Read , Diacuss and Write Persuasively About Cases. HBR.
芝加哥风格引文Ellet William. Case Study Handbook: How to Read , Diacuss and Write Persuasively About Cases. USA: HBR, 2007.
MLA引文Ellet William. Case Study Handbook: How to Read , Diacuss and Write Persuasively About Cases. HBR, 2007.
警告：这些引文格式不一定是100％准确.