Philips' international atlas
edited by B.M. Willet
George Philip and Son, 1981
 Buku Referensi
Griffith, Martin
International relations
Routledge, 2002
 Buku Teks
International law and international relations
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
 Buku Teks
The environment and international relations
edited by John Vogler and Mark F. Imber
Routledge , 1996
 Buku Teks
Spero, Joan Edelman
The politics of international economic relations
Routledge , 1997
 Buku Teks