Johnny L. Matson, editor
[Springer, Springer], 2012
eBooks
Han, Lintao, author
New World Press, 2009
Buku Teks
edited by Bernard Berelson
Voice of America, 1975
Buku Teks
Bunga Sari, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2020
UI - Skripsi (Membership)
Liston, Robert A., author
Dell Publishing, 1968
Buku Teks