Fromm, Erich, author
Routledge & Kegan Paul, 1950
Buku Teks
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