Britton, J. J. (2010). Effective group coaching: Tried and tested tools and resources for optimum group coaching skills. J. Wiley.
Chicago-viite (17. p.)Britton, Jennifer J. Effective Group Coaching: Tried and Tested Tools and Resources for Optimum Group Coaching Skills. Mississauga, Ont.: J. Wiley, 2010.
MLA-viite (9. p.)Britton, Jennifer J. Effective Group Coaching: Tried and Tested Tools and Resources for Optimum Group Coaching Skills. J. Wiley, 2010.
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