Nierenberg, G. (1982). The art of creative thinking. Simon & Schuster.
Cita Chicago (17th ed.)Nierenberg, Gwrard. The Art of Creative Thinking. New York: Simon & Schuster, 1982.
Cita MLA (9th ed.)Nierenberg, Gwrard. The Art of Creative Thinking. Simon & Schuster, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.