Whittington, A., & Grey, N. (2014). How to become a more effective CBT therapist: Mastering metacompetence in clinical practice (First edition.). John Wiley & Sons.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whittington, Adrian, و Nick Grey. How to Become a More Effective CBT Therapist: Mastering Metacompetence in Clinical Practice. First edition. West Sussex, England: John Wiley & Sons, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Whittington, Adrian, و Nick Grey. How to Become a More Effective CBT Therapist: Mastering Metacompetence in Clinical Practice. First edition. John Wiley & Sons, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.