Jagieła, Jarosław. 2026. “[rec.] Helena Hargaden and Charlotte Sills (2010). Transactional Analysis: A Relational Perspective. London and New York Routledge: Taylor & Francis Group”. Edukacyjna Analiza Transakcyjna, no. 15 (September): eat-2026-rec-01. https://doi.org/10.16926/eat.2026.15.06.pl.