Becker, E. (1993). Growing up rugged: Fritz Perls and Gestalt therapy. Gestalt Journal, 16(2), 27-44, .
 Ver
Henry, C. (2017). Humanistic psychology and introductory textbooks: A 21st-century reassessment. The Humanistic Psychologist, 45, 281-294, . https://doi.org/10.1037/hum0000056
 Ver
Ciornai, S. (2007). Art and Gestalt: A path to consciousness expansion. International Gestalt Journal, 30, 45-63, .
 Ver