International IDEA
International IDEA, 2000
Buku Teks
Kim Samuel S., editor
University Press, 2003
Buku Teks
Nagle, John D.
Sage Publications, 1999
Buku Teks
Samuel S. Kim, editor
Cambridge University Press, 2003
Buku Teks
Nagle, John D.
Sage Publications, 1999
Buku Teks