1. Kidd, S. & Kidd, J. (1990) Experiential method Qualitative Research in the Humanities Using Metaphysics and Phenomenology. Peter Lang Pub. Inc. NY. Pp. 15–29.
2. Merleau-Ponty, M. (1962) Phenomenology of Perception, Routledge & Kegan Paul, NJ, p. 68. cited in Betensky, M. (1995) What do You See? Phenomenology of Therapeutic Art Expression. Jessica Kingsley Publishers. London. P. 6.