Halgin, R. P., & Whitbourne, S. K. (2009). Abnormal psychology: Clinical perspectives on psychological disorders (6th ed.). McGraw-Hill.

Halgin, Richard P., and Susan Krauss Whitbourne. Abnormal Psychology: Clinical Perspectives on Psychological Disorders. 6th ed. Boston: McGraw-Hill, 2009.

Halgin, Richard P., and Susan Krauss Whitbourne. Abnormal Psychology: Clinical Perspectives on Psychological Disorders. 6th ed. McGraw-Hill, 2009.