HACKETT, Paul M. W. - SUVAK, James M. - GORDLEY-SMITH, Ava. Projective techniques and sort-based research methods. 1st ed. Abingdon, Oxon : Routledge, 2023. xiii, 137 s. Routledge focus. Dostupné na: https://doi.org/10.4324/9781003285892. ISBN 978-1-032-25968-0.