Hearnshaw, F.J.C.
Sea-power & empire
G.G. Harrap, 1940
Buku Teks
Graham, Robert
Iran, the illusion of power / Robert Graham
St. Martin's Press, 1979
Buku Teks
Mayer, Ann Elizabeth
Islam and human rights : tradition and politics
Westview Press, 1995
Buku Teks
Coll, Steve, 1958-
Private empire: ExxonMobil and American power / Steve Coll
Penguin Books, 2012
Buku Teks
Neve, Brian
Film and politics in America : a social tradition / Brian Neve
Routledge, 1992
Buku Teks