European politics in transition
by Christopher S. Allen [and others]
D.C. Health, 1987
 Buku Teks SO
European Political Processes
"Allyn and Bacon, Inc.", 1974
 Buku Teks
Cook, Chris
European political facts 1848 -1918
Macmillan, 1978
 Buku Referensi
European political co-operation (EPC)
Wiesbadener Graphische Betriebe GmbH, 1982
 Buku Teks
Political change and succession process : Indonesia's era of transition
The United States-Indonesia Society, 1997
 Buku Teks SO