4[1]United Nations Commission on International Trade Law. Legislative Guide on Privately Financed Infrastructure Projects (2001) [EB/OL]. www.uncitral.org/english/texts/procurem/pfip-index-e.htm, 2001-3-7.
5[5]W. Noel Keyes. Government Contracts 2nd edition[M].New York: West Publishing co., 1990.
6[6]Socialist Republic of Vietnam Government. article 25, Decree on providing investment regulations on BOT (build-operate-transfer), BTO (build transfer-operate) and BT (build-transfer) contracts involving foreign investment in Vietnam [EB/ OL]. http://www.vietnamese-law-consultancy.com/s_bot/main_08_98.htm, 1998-08-15.
7[9]Barry E. Carter & Philip R. Trimble. International Law: Selected Documents [M]. London: Little Brown and Company,1995.
8[10]Case Concerning Various Serbian Loan Issued in France [A]. Permanent Court of International Justice [C]. Vol.1,20th issue. N.Y: United Nations Publications,1929.
