Title: Change: Principles of Problem Formulation and Problem Resolution, Author: Paul Watzlawick
Title: Cambio: Formacion y solucion de los problemas humanos, Author: Paul Watzlawick
Title: The Tactics of Change: Doing Therapy Briefly / Edition 1, Author: Richard Fisch
Title: Rigor & Imagination: Essays from the Legacy of Gregory Bateson, Author: John H. Weakland
Title: Lösungen: Zur Theorie und Praxis menschlichen Wandels, Author: Paul Watzlawick