1. Client-centered therapy: its current practice, implications and theory Rogers, Carl R. (Carl Ransom), 1902-1987. London : Constable, 2003. COUN560
2. Gestalt therapy: excitement and growth in the human personality Perls, Frederick S. London : Souvenir, 1972, c1951. COUN200
4. Play, dreams, and imitation in childhood Piaget, Jean, 1896-1980, Abingdon, Oxon ; Routledge, Taylor & Francis Group, 2013. SW322 SW527
