DeBono, E. (1992). Tactics the art abd science of success. Harper collins.
Cita Chicago (17th ed.)DeBono, Edward. Tactics the Art Abd Science of Success. India: Harper collins, 1992.
Cita MLA (9th ed.)DeBono, Edward. Tactics the Art Abd Science of Success. Harper collins, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.