Harford, David, and Mark Widdowson. “Quantitative and Qualitative Outcomes of Transactional Analysis Psychotherapy With Male Armed Forces Veterans in the UK Presenting With Post-Traumatic Stress Disorder”. International Journal of Transactional Analysis Research & Practice 5, no. 2 (July 31, 2014): 35–65. Accessed February 26, 2024. https://ijtarp.org/article/view/13801.