Michell, John, author
Thames and Hudson, 1991
Buku Teks
Sagan, Carl, author
Yayasan Obor Indonesia , 1997
Buku Teks
Hudson, William Henry, author
London George G. Harrap 1913
Buku Referensi
Sartre, Jean-Paul
London : Routledge, 1993
Buku Teks
Landmann, Michael
Bouvier Verlag Herbert Grundmann, 1977
Buku Teks