APA-referens (7:e uppl.)

Orton, J. W. (1965). Readings in a group. Selected Academic readings.

Chicago-referens (17:e uppl.)

Orton, John W. Readings in a Group. New York: Selected Academic readings, 1965.

MLA-referens (9:e uppl.)

Orton, John W. Readings in a Group. Selected Academic readings, 1965.