Παραπομπή σε μορφή APA (7η εκδ.)

Utterback, W. E. (1950). Group thinking and conference leadership: Techniques of discussion. Rinehart.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Utterback, William Emil. Group Thinking and Conference Leadership: Techniques of Discussion. New York: Rinehart, 1950.

Παραπομπή σε μορφή MLA (9th εκδ.)

Utterback, William Emil. Group Thinking and Conference Leadership: Techniques of Discussion. Rinehart, 1950.