http://www.escp.org/death_anxiety.html; Langs, R. (2004). "Death anxiety and the emotion-processing mind," Psychoanalytic Psychology, vol. 21, no.1, 31-53; Langs, R. (2004) Fundamentals of Adaptive Psychotherapy and Counseling. London: Palgrave-Macmillan
Langs, R. Three Forms of Death Anxiety. Retrieved from http://www.escp.org/death_anxiety.html; Langs, R. (2004). "Death anxiety and the emotion-processing mind," Psychoanalytic Psychology, vol. 21, no.1, 31-53; Langs, R. (2004) Fundamentals of Adaptive Psychotherapy and Counseling. London: Palgrave-Macmillan