Ebenstein, William
Two ways of life: the communist chalengge to democracy
Holt Rinehart and Winston, 1964
 Buku Teks
Keneally, Thomas, 1935-
Three cheers for the Paraclete
Angus & Robertson, 1968
 Buku Teks
Arblaster, Anthony
Democracy
Open University Press, 1987
 Buku Teks
Democracy
Oxford University Press, 1995
 Buku Teks
Schulz, Ernest B
Democracy
[publisher not identified], 1956
 Buku Teks