Sharpley, Christopher .F. (). „Predicate matching in NLP: a review of research on the preferred representational system”. Journal of Counseling Psychology. 31 (2): 238–48. doi:10.1037/0022-0167.31.2.238.
Conform:
Witkowski, Tomasz (). „Thirty-Five Years of Research on Neuro-Linguistic Programming. NLP Research Data Base. State of the Art or Pseudoscientific Decoration?”. Polish Psychological Bulletin. 41 (2). doi:10.2478/v10059-010-0008-0.