Widdowson, M. (2013). Perceptions of Psychotherapy Trainees of Psychotherapy Research. International Centre For Transactional Analysis Qualifications.
Chicago-referens (17:e uppl.)Widdowson, Mark. Perceptions of Psychotherapy Trainees of Psychotherapy Research. International Centre For Transactional Analysis Qualifications, 2013.
MLA-referens (9:e uppl.)Widdowson, Mark. Perceptions of Psychotherapy Trainees of Psychotherapy Research. International Centre For Transactional Analysis Qualifications, 2013.
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