Holmes, D. S. (1994). Abnormal psychology (Second edition.). Harper-Collins College.
Chicago Style aipamenaHolmes, David S. Abnormal Psychology. Second edition. New York: Harper-Collins College, 1994.
MLA aipamenaHolmes, David S. Abnormal Psychology. Second edition. Harper-Collins College, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.