Barker, Sir Ernest
Greek political theory: plato and his predecessors
University Paperbacks, 1960
 Buku Teks
Ebenstein, William
Great political thinkers: Plato to the present
Rinehart, 1963
 Buku Teks
Ebenstein, William
Great political thinkers : Plato to the present
Thomson Learning, 2000
 Buku Teks
Bai, Gang, 1940-
Zhongguo zheng zhi zhi du shi = History of Chinese Political System = 中国政治制度史
Tianjin Renmin Chubanshe, 2002
 Buku Teks
Mason, Alpheus Thomas,1899-1989
In quest of freedom American political thought and practice and practice
Prentice-Hall, 1959
 Buku Teks