1. Buber, M. (1970). I and Thou. New York: Scribner.
2. Bustos, D. (1994). Wings and roots. In P. Holmes, M. Karp, & M. Watson (Eds.), Psychodrama since Moreno: Innovation in theory and practice (pp. 63–75). London: Routledge.
3. Bustos, D. (2006). The clusters theory. In Z. Figusch (Ed.), Sambadrama: The arena of Brazilian psychodrama (pp. 90–121). London: Kingsley.
4. Bustos, D. (2014). Revisiting Moreno’s concepts of the theory of interpersonal relations. Zeitschrift für Psychodrama und Soziometrie, 13(Supplement 1), 29–39.
https://doi.org/10.1007/s11620-014-0224-2
.
5. Clayton, M. (1994). Role theory and its application in clinical practice. In P. Holmes, M. Karp, & M. Watson (Eds.), Psychodrama since Moreno: Innovation in theory and practice (pp. 121–144). London: Routledge.