2008, Part of book or chapter of book (Nijnatten, C.H.C.J. van; Hutschemaekers, G.J.M. (ed.), De klinisch psycholoog als scientist practitioner, pp. 48-54)
2006, Part of book or chapter of book (Kwee, M.G.T.; Gergen, K.J.; Koshikawa, F. (ed.), Horizons in Buddhist Psychology. Practice, Research and Theory, pp. 213-224)