More, Thomas
Utopia
David Campbell Publishers, 1992
 Buku Referensi
Hamilton, R.A.
Venture to the arctic
Pinguin Books, 1958
 Buku Teks
Spiro, Herbert J., editor
Responsibility in government: theory and practice/ Herbert J. Spiro
Van Nostrand Reinhold, 1969
 Buku Teks
Spiro, Herbert T.
Finance planning for the independent professional / Herbert T. Spiro
John Wiley & Sons, 1978
 Buku Teks
Krishna, Daya, 1924-2007
Civilizations: nostalgia and Utopia
Sage, 2012
 Buku Teks SO