Jakarta : Prapanca
Majalah, Jurnal, Buletin
Chicago : University of Chicago Press
Majalah, Jurnal, Buletin
Holsti, Ole R.
Boston Allen & Unwin 1984
Buku Teks
Hartford : Conference on British Studies
Majalah, Jurnal, Buletin
Canberra, Australia : Department of Foreign Affairs
Majalah, Jurnal, Buletin