Dahl, Robert A., 1915-2014
Modern political analysis
Prentice Hall of India, 1976
 Buku Teks SO
Dahl, Robert A., 1915-2014
Modern political analysis
Prentice-Hall, 1978
 Buku Teks SO
The study of religion, traditional and new religions
edited by Peter Clarke and Stewart Sutherland
Routledge, 1991
 Buku Teks SO
Cowan, Douglas E.
Cults and new religions : a brief history
BlackWell Publishing, 2007
 Buku Teks SO
Dunn, John, 1940-
Modern revolutions : an introduction to the analysis of a political phenomenon
University Press, 1972
 Buku Teks SO