May, Rollo, 1909-
Man`s search for himself
W.W. Norton, 1953
 Buku Teks
May, Rollo, 1909-
Man's search for himself
W.W. Norton, 2009
 Buku Teks
May, Rollo, 1909-
Man's search for himself
Dell Publishing Co., Inc., 1953
 Buku Teks
Fromm, Erich
Man for himself: an inquiry into the psyhology of ethics
Fawcett Priemer Book, 1947
 Buku Teks
Toynbee, Arnold J.
Choose life : a dialogue
Oxford University Press, 1976
 Buku Teks