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Brownell, P., 2019 Handbook for Theory, Research, and Practice in Gestalt Therapy (2nd Edition) (The World of Contemporary Gestalt Therapy), Cambridge Scholars Publishing

Kepner, J.  1996 Healing Tasks: Psychotherapy with Adult Survivors of Childhood Abuse. Taylor and Francis. Kindle Edition.

Ribeiro, W., 2012 Human Interactions (Can We Improve Them?) Kindle Edition

Erskine, R. & Moursund, J., 2011. Integrative Psychotherapy in Action. London: Karnac Books

O'Brien, M. & Houston, G., 2000. Integrative Psychotherapy: A Practitioners Guide. London: Sage.

Erskine, R., 2010. Life Scripts: A Transactional Analysis of Unconscious Relational Patterns. London: Karnac Books.

Laura (Lore) Perls and Joe Wysong 2012 (1992) Living at the Boundary: The Collected Works of Laura Perls Edited by Joe Wysong THE GESTALT JOURNAL PRESS eBook Edition 2012  Original Print Edition 1992