Surajaras, Patchara
Westview Press, 1992
Buku Teks
Visser, Hans G.
Edwar Elgar, 1995
Buku Teks
edited by Mahbub ul Haq, Inge Kaul, Isabelle Grunberg
Oxford University Press, 1996
Buku Teks
Coyle, Brian
Financial World, 2000
Buku Teks
Mikesell, Raymond F.
The Twentieth Century Fund, 1954
Buku Teks