Schiff, M; Nacasch, N; Levit, S; Katz, N; Foa, EB (2015). «Prolonged exposure for treating PTSD among female methadone patients ...
Murray N. Rothbard. «War, Peace, and the State (April 1963)». Consultado el 24 de junio de 2017. Filosofía de la libertad, ...