
- Author: Edward De Bono
- Language: Spanish
- Year: 1991

- Author: Edward de Bono
- Language: English
- Year: 2017

Six Thinking Hats
epub
- Author: Edward de Bono
- Language: English
- Year: 2017

- Author: Edward de Bono
- Language: English
- Year: 2008

- Author: Edward De Bono
- Language: Spanish
- Year: 1994

- Author: Edward De Bono
- Language: Spanish
- Year: 1991

- Author: Edward De Bono
- Language: Spanish
- Year: 1995

- Author: Edward de Bono
- Language: English
- Year: 2009

- Author: Edward de Bono
- Language: English

- Author: Edward De Bono
- Language: English
- Year: 1981