Widdowson, Mark. “TA Treatment of Depression: A Hermeneutic Single-Case Efficacy Design Study - ‘Linda’ - a Mixed Outcome Case”. International Journal of Transactional Analysis Research & Practice 4, no. 2 (July 31, 2013): 3–15. Accessed April 20, 2024. https://ijtarp.org/article/view/12096.