1. Gilbert P. Compassion focused therapy: The CBT distinctive features series. London, UK: Routledge; 2010.
2. Johnstone L. Using formulation in teams. In: Formulation in psychology and psychotherapy: Making sense of people's problems. London: Routledge; 2013.
3. Gilbert P. Human nature and suffering. 1st ed. Hove: Lawrence Erlbaum Associates; 1989.
4. Gilbert P. Compassion: Conceptualisations, research and use in psychotherapy. London: Routledge; 2005.
5. Dallos R, Draper R. An introduction to family therapy: Systemic theory and practice. 3rd ed. Maidenhead: Open University Press; 2010.