Gelatt, H. B. (1991). Creative Decision Making: Using Positive Uncertainty. Crisp Publications, Inc.
Cita Chicago (17th ed.)Gelatt, H. B. Creative Decision Making: Using Positive Uncertainty. Los Altos, California: Crisp Publications, Inc, 1991.
Cita MLA (9th ed.)Gelatt, H. B. Creative Decision Making: Using Positive Uncertainty. Crisp Publications, Inc, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.