Berg, R.C., Landreth, G.L. & Fall, K.A. (2013). Group Counseling: Concepts and Procedures. (5th Ed.) New York, NY: Taylor & Francis Ltd.
Corey, G. (2013). Case Approach to Counseling and Psychotherapy. Belmont, CA: Cengage Learning
Toseland, R.W. & Rivas, R.F. (2005). An Introduction to Group Work Practice. Pearson. Retrieved 14 July 2015 from http://www.pearsonhighered.com/samplechapter/0205376061.pdf
Weimels, L. (2014). Group Dynamics: How to Successfully Work in Groups. Retrieved 15 July 2015 from https://www.naspa.org/constituent-groups/posts/group-dynamics-how-to-successfully-work-in-groups