Mill, John Stuart
On liberty and utilitarianism
David Campbell Publisher, 1992
 Buku Referensi
Liberty in Australia : Australian institute of political science / edited, John Wilkes
Angus & Robertson , 1955
 Buku Teks SO
Mohammad Shafil
Freedom from the self: kebebasan dari dalam diri
Coriosita, 2004
 Buku Teks SO
Brint, Michael
Tragedy and denial : the politics of difference in Western political thought
Westview Press, 1991
 Buku Referensi
Mill, John Stuart
Utilitarianism, liberty, and representative government
E.P. Dutton and Company, 1955
 Buku Teks SO