Knaus, W. J., Carlson, J., Shoup, A., & Kahn, B. (2014). The cognitive behavioral workbook for anxiety: A step-by-step program (Second edition.). New Harbinger Publications, Inc..
Chicago Style (17th ed.) ZitazioaKnaus, William J., Jon Carlson, Amy Shoup, eta Brady Kahn. The Cognitive Behavioral Workbook for Anxiety: A Step-by-step Program. Second edition. Oakland, California: New Harbinger Publications, Inc., 2014.
MLA (9th ed.) ZitazioaKnaus, William J., et al. The Cognitive Behavioral Workbook for Anxiety: A Step-by-step Program. Second edition. New Harbinger Publications, Inc., 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.