Britton, J. J. (2010). Effective group coaching: Tried and tested tools and resources for optimum group coaching skills. J. Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Britton, Jennifer J. Effective Group Coaching: Tried and Tested Tools and Resources for Optimum Group Coaching Skills. Mississauga, Ont.: J. Wiley, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Britton, Jennifer J. Effective Group Coaching: Tried and Tested Tools and Resources for Optimum Group Coaching Skills. J. Wiley, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.