Nierenberg, G. (1982). The art of creative thinking. Simon & Schuster.
Lua i Stíl Chicago (17ú heag.)Nierenberg, Gwrard. The Art of Creative Thinking. New York: Simon & Schuster, 1982.
Lua MLA (9ú heag.)Nierenberg, Gwrard. The Art of Creative Thinking. Simon & Schuster, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.