Fromm, Erich, author
Routledge Classics, 2001
Buku Teks
Jakarta : Freedom Institute, 2006,
Majalah, Jurnal, Buletin
edited by William Rose BeneĢt and Norman Cousins
Random House, 1945
Buku Teks
Steinby, Torsten, author
Government, 1971
Buku Teks
Gerhard Michal, Dietmar Schomburg, editors
Wiley, 2012
Buku Teks