Yvon Chouinard (2016). “Let My People Go Surfing: The Education of a Reluctant Businessman--Including 10 More Years of Business Unusual”, p.96, Penguin
Harriet Lerner (2009). “The Dance of Connection: How to Talk to Someone When You're Mad, Hurt, Scared, Frustrated, Insulted, Betrayed, or Desperate”, p.2, Harper Collins