[9] Dusay, J. M., Transactional analysis in Berne, E., a Layman’s Guide to Psychiatry and Psychoanalysis, Published by Ballantine Books, 1976, p. 329-331.
[15] O’Connor, J., Manual de programare neuro-lingvistica. Ghid practic pentru obţinerea rezultatelor pe care le doresti, Bucuresti, Ed. Curtea Veche, 2012, pp. 389-392.