Ware, Alan
Oxford University Press, 1996
Buku Teks
Sundquist, James L
The Brooking Institution, 1973
Buku Teks
Erfandi
Fakultas Hukum Universitas Indonesia, 2013
UI - Tesis Membership
Achmad Suhawi
Program Pascasarjana Universitas Indonesia, 2008
UI - Tesis Open
Laver, Michael
Routledge, 1992
Buku Teks