Jacovides, Ambassador Andrew, author
Martinus Nijhoff Publishers, 2011
Buku Teks
edited by Vinod K. Lall, Danial Khemchand
Anmol Publications, 1997
Buku Referensi
Graham, Malbone W.
Johns Hopkins Press, 1948
Buku Teks
Stocking, George W., author
The Twentieth Century Fund , 1949
Buku Teks
Nicolson, Harold, author
Oxford, 1969
Buku Teks