Lifton, Robert Jay
Vintage Books, 1967
Buku Teks
edited by P. Edward Haley, David M. Keithly, and Jack Merritt
Westview Press, 1985
Buku Teks
Falk, Jim
Penguin Books, 1983
Buku Teks
World Health Organization Regional Office for Europe, 1978
Buku Teks
Artikel Jurnal