Bono, E. D. (1999). Six Thinking Hats.
Chicago Edition CitationBono, Edward De. Six Thinking Hats. Penguin Books, 1999.
Cita MLABono, Edward De. Six Thinking Hats. 1999.
Atenció: Aquestes cites poden no estar 100% correctes.
Bono, E. D. (1999). Six Thinking Hats.
Chicago Edition CitationBono, Edward De. Six Thinking Hats. Penguin Books, 1999.
Cita MLABono, Edward De. Six Thinking Hats. 1999.