Vartanian, O.; Martindale, C.; Podsiadlo, J.; Overbay, S.; Borkum, J. (2005). "The link between composition and balance in masterworks vs. Paintings of lower artistic quality". British Journal of Psychology. 96 (4): 493–503. doi:10.1348/000712605X47927. PMID16248938.
Vartanian, O.; Martindale, C.; Podsiadlo, J.; Overbay, S.; Borkum, J. (2005). "The link between composition and balance in masterworks vs. Paintings of lower artistic quality". British Journal of Psychology. 96 (4): 493–503. doi:10.1348/000712605X47927. PMID16248938.