Bonella, Kathryn, author
Quercus, 2014
Buku Teks
Paris Uneco 1984,
Buku Teks
Barakat, Halim
University of California Press, 1993
Buku Teks
Atiyah, Edward, author
Penguin Books, 1958
Buku Teks
Cremeans, Charles D., author
Council on foreign relations, 1963
Buku Teks