Hyman, R. (1964). The nature of psychological inquiry. Prentice-Hall.
Chicago Style aipamenaHyman, Ray. The Nature of Psychological Inquiry. Englewood Cliffs, N.J.: Prentice-Hall, 1964.
MLA aipamenaHyman, Ray. The Nature of Psychological Inquiry. Prentice-Hall, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.