Siregar, R.H.
Dewan Kehormatan PWI, 2005
Buku Teks SO
penyunting, Bantarto Bandoro [and others]
Centre for Strategic and International Studies, 1995
Buku Teks SO
Atmakusumah Astraatmadja, Lukas Luwarso
Dewan Pers, 2001
Buku Teks
Franz Magnis-Suseno
Kanisius, 2006
Buku Teks SO
Sobur, Alex
Humaniora Utama Press, 2001
Buku Teks SO