APA-referens (7:e uppl.)

Hyman, R. (1964). The nature of psychological inquiry. Prentice-Hall.

Chicago-referens (17:e uppl.)

Hyman, Ray. The Nature of Psychological Inquiry. Englewood Cliffs, N.J.: Prentice-Hall, 1964.

MLA-referens (8:e uppl.)

Hyman, Ray. The Nature of Psychological Inquiry. Prentice-Hall, 1964.