APA-ийн эшлэл(7 дахь хэвлэлт)

Gruber, H. E., & Terrell, G. (1962). Contemporary approaches to creative thinking: A symposium held at the university of Colorado. Atherton.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gruber, Howard E., ба Glenn Terrell. Contemporary Approaches to Creative Thinking: A Symposium Held at the University of Colorado. London: Atherton, 1962.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gruber, Howard E., ба Glenn Terrell. Contemporary Approaches to Creative Thinking: A Symposium Held at the University of Colorado. Atherton, 1962.