Marker, Jamsheed
London : McFarland & Company, 2003, 2003
Buku Teks
Pluvier, Jan M.
Oxford University Press, 1977
Buku Teks SO
Paul Hainsworth, Stephen McCloskey, editor
Tauris Publishers, 2000
Buku Teks
Ndomente, La Ode Aptsar
Sekolah Kajian Stratejik dan Global Universitas Indonesia, 2017
UI - Tesis Membership
Carter, Gwendolen M.
Frederick A. Praeger, 1961
Buku Teks SO