Insor, D.
Thailand : a political, social and economic analysis
Frederick A.Praeger, 1963
 Buku Teks SO
Australia : a social and political history
edited by Gordon Greenwood
Angus and Robertson, 1955
 Buku Teks SO
Australia : a social and political history
edited by Gordon Greenwood
Angus and Robertson, 1969
 Buku Teks SO
Australia : a social and political history
edited by Gordon Greenwood
Angus & Robertson, 1978
 Buku Teks
McRobert, Kenneth
Quebec: social change and political crisis
McClelland and stewart, 1976
 Buku Teks SO