Ellet William. (2007). Case Study Handbook: How to Read , Diacuss and Write Persuasively About Cases. HBR.
Cita Chicago (17th ed.)Ellet William. Case Study Handbook: How to Read , Diacuss and Write Persuasively About Cases. USA: HBR, 2007.
Cita MLA (9th ed.)Ellet William. Case Study Handbook: How to Read , Diacuss and Write Persuasively About Cases. HBR, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.