Manalu, Bane Raja
Universitas Indonesia, 2014
UI - Tesis Membership
Rilyan Shela Handini
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Skripsi Membership
Tri Widati
Universitas Indonesia, 2013
UI - Tesis Membership
Belshaw, Cyril S.
Prentice-Hall, 1965
Buku Teks
Chong, Seong-mo
Ewha Womans University Press, 2006
Buku Teks