Kerkhof, A., & Akhnikh, S. (2010). Stop worrying: Get your life back on track with CBT. McGraw-Hill : Open University Press.
Čikaški stil citiranja (17. izdanje)Kerkhof, Ad, i Saida Akhnikh. Stop Worrying: Get Your Life Back on Track with CBT. Berkshire, England: McGraw-Hill : Open University Press, 2010.
MLA način citiranja (9. izdanje)Kerkhof, Ad, i Saida Akhnikh. Stop Worrying: Get Your Life Back on Track with CBT. McGraw-Hill : Open University Press, 2010.
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