Hyman, R. (1964). The nature of psychological inquiry. Prentice-Hall.
Cita Chicago (17th ed.)Hyman, Ray. The Nature of Psychological Inquiry. Englewood Cliffs, N.J.: Prentice-Hall, 1964.
Cita MLA (8th ed.)Hyman, Ray. The Nature of Psychological Inquiry. Prentice-Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.