References
- Hall, J. (1993). The reluctant adult. Bridport, UK: Prism Press.
- Perls, F. S., Hefferline, R. F., & Goodman, P. (1951). Gestalt therapy now: Excitement and growth in the human personality. New York: The Gestalt Journal Press.
- Wilber, K. (2006). Integral spirituality: A startling new role for religion in the modern and postmodern world. Integral Books.