Melody Beattie (2013). “Melody Beattie 4 Title Bundle: Codependent No More and 3 Other Best Sellers by Melody Beattie: A collection of four Melody Beattie best sellers”, Hazelden Publishing
Jon Kabat-Zinn (2013). “Full Catastrophe Living (Revised Edition): Using the Wisdom of Your Body and Mind to Face Stress, Pain, and Illness”, p.44, Bantam
"'Whether we are arguing about MPs' expenses or assisted suicide, we need to engage with the moral ideals underlying our political debates'". Interview with Oliver Burkeman, www.theguardian.com. October 31, 2009.