Nangoi, Ronald, author
Centre for Strategic and International Studies, 1992
Buku Teks
Slamet, author
Fakultas Hukum Universitas Indonesia, 1983
UI - Skripsi (Membership)
Artikel Jurnal
Siahaan, Rudy Haposan, author
Inteligensia Media, 2017
Buku Teks
Sjachran Basah, author
Citra Aditya Bakti, 1990
Buku Teks