Parnes, S. J., & Harding, H. F. (1962). A source book for creative thinking. Scribner.
Chicago (17e ed.) BronvermeldingParnes, Sidney Jay, en Harold Friend Harding. A Source Book for Creative Thinking. New York: Scribner, 1962.
MLA (9e ed.) BronvermeldingParnes, Sidney Jay, en Harold Friend Harding. A Source Book for Creative Thinking. Scribner, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.