Buzan, Barry
Regions and powers : the structure of international security
Cambridge University Press, 2003
 Buku Teks
Peace and security in the Atlantic and Pacific regions
Yayasan Proklamasi, Centre for Strategic and International Studies, 1983
 Buku Teks
Tribe, Laurence H.
The constitutional structure of American government : separation and division of powers
Foundation Press, 1978
 Buku Teks
Maria Fransisca Elita Thea
Middle powers dalam sistem internasional = Middle powers in international system
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2020
 UI - Tugas Akhir
Rothwwell, Donald R.
The polar regions and the development of international law
Cambridge University Press, 1996
 Buku Teks