Holmes, D. S. (1997). Textbook companion for students to accompany Holmes Abnormal psychology (3rd edition.). Longman.
Chicago-referens (17:e uppl.)Holmes, David Sheridan. Textbook Companion for Students to Accompany Holmes Abnormal Psychology. 3rd edition. New York: Longman, 1997.
MLA-referens (9:e uppl.)Holmes, David Sheridan. Textbook Companion for Students to Accompany Holmes Abnormal Psychology. 3rd edition. Longman, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.