Mill, John Stuart
David Campbell Publisher, 1992
Buku Referensi
Mill, John Stuart
E.P. Dutton and Company, 1955
Buku Teks SO
Mill, John Stuart
Yayasan Obor Indonesia, 1996
Buku Teks SO
National Council for Civil Liberties with Pluto Press, 1994
Buku Teks
Riley, Jonathan
Routledge, 1998
Buku Teks SO