Bono, E. d. (2008). Creativity workout: 62 exercises to unlock your most creative ideas. Ulysses Press.
Cita Chicago (17th ed.)Bono, Edward de. Creativity Workout: 62 Exercises to Unlock Your Most Creative Ideas. Berkeley: Ulysses Press, 2008.
Cita MLA (9th ed.)Bono, Edward de. Creativity Workout: 62 Exercises to Unlock Your Most Creative Ideas. Ulysses Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.