Gubi, P.M.(2015).Spiritual Accompaniment and Counselling: Journeying with Psyche and Soul.Jessica Kingsley Publishers: London&New York.

Gubi, P.M. (2011). A Qualitative Exploration the Similarities and Differences between Counselling and Spiritual Accompaniment. Practical Theology Journal. 4(3): 339-358.

Gubi, P.M. & Jacobs, R. (2009). Exploring the impact on counsellors of working with spiritually abused clients. Journal of Mental Health, Religion and Culture. 12(2): 191-204.

Field, N. (Editor). (2005). Ten lectures on psychotherapy and spirituality. London, England: Karnacbooks

I like Jamie Aten's two books:

Aten, J., McMinn, M., & Worthington, E. (2011). (Eds.). Spiritually oriented interventions for counseling and psychotherapy. Washington, DC: American Psychological Association Books.

Aten, J., & Leach, M. (2009). (Eds.). Spirituality and the therapeutic process: A comprehensive resource from intake through termination. Washington, DC: American Psychological Association Books.

https://books.google.com/books/about/Spirituality_and_the_Therapeutic_Process.html?id=LQLbAAAAMAAJ

http://www.apa.org/pubs/books/4317258.aspx

Brownell, P. (2015). Spiritual competency in Psychotherapy. New York. Springer Publishing Company.

Also, in a work by John Norcoross (editor) 2010: "Evidence-based therapy relationship" you can find in chapter 13th "Adapting the relationship to the individual patient" research about the effect of take in account by the therapist the spiritual dimensión of patients.

Thank You very much for all your inspirations, which I could spread around in a workshop  of a addiction-conference in Berlin 22.02.2017. You can see the presentation on my page on researchgate..

Conference Paper Die spirituelle Dimension – Fiktion oder therapeutisch nutzbar ?