1. Argyris C. Schön D. (1976) Theory in Practice: Increasing Professional Effectiveness, San Francisco, Jossey-Bass.
2. ‘Did Hinkle prove laddered constructs are superordinate? A re-examination of his data suggests not’;Bell;Personal Construct Theory & Practice,2014
3. Bravington A. (2011) ‘Using the Pictor technique to reflect on collaborative working in undergraduate nursing and midwifery placements’, master’s thesis, University of Huddersfield, available online at http://eprints.hud.ac.uk/13720/ .
4. ‘Personal construct psychology methods for qualitative research’;Burr;International Journal of Social Research Methodology,2014
5. Ordinal relationships between constructs