Widdowson, Mark. “Transactional Analysis Psychotherapy for a Case of Mixed Anxiety & Depression: A Pragmatic Adjudicated Case Study – ‘Alastair’”. International Journal of Transactional Analysis Research & Practice 5, no. 2 (July 20, 2001): 66–76. Accessed December 10, 2024. https://ijtarp.org/article/view/13802.