References
- Frank , R and La Barre , F . 2010 . The first year and the rest of your life: Movement, development and psychotherapeutic change , New York, NY : Routledge .
- Perls , F , Hefferline , RF and Goodman , P . 1951 . Gestalt therapy: Excitement and growth in the human personality , London : The Guernsey Press . (Original work published 1884)
- Sheets-Johnstone , M . 1990 . The roots of thinking , Philadelphia, PA : Temple University Press .