Southwell, E.A. and Feldman, H. (1969). Abnormal Psychology: Readings in Theory and Research. Canadian Journal of Counselling and Psychotherapy, [S. l.], v. 6, n. 1, 1972. Disponível em: https://jmss.org/index.php/rcc/article/view/60826. Acesso em: 25 oct. 2026.