United Nation, 2001
Buku Teks
Universitas Indonesia, 2011
UI - Skripsi (Open)
Goh Chok Tong, author
Ministry of Information, Communications and the Arts, 2004
Buku Teks
Irzan Bangun Wiratama, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Skripsi (Open)
Luqman Hakim, author
Forum Studi Islam Surakarta (FSIS), 2004
Buku Teks