5Hall D,Motte R,Davis S.Terminology of Public-Private Partnerships.Public Services International Research Unit (PSIRU)[EB/OL].http:www.epsu.org/IMG/doc/PPPsdefs-2.doc.
6PPP-For Sustainable Development,United Nations Institute for Training and Research[EB/OL],http:// www.unitar.org/ny.
7Guidance for Successful PPP,The European Commission[EB/OL].http://europa.eu.int/comm/regional_policy/sources/docgener/guides/ppp_en.pdf.
8John R.Allan.PPP:A Review of Literature and Practice[J].Saskatchewan Institute of Public Policy Public Policy Paper,1999,(4):12-18.
9Australia at a Crossroads-Public/Private Partnerships or Perish? Finance and Legal issues,The Australian Council for Infrastructure Development,[EB/OL],http:// www.auscid.org.au/.
10Norment R.Executive director of National Council for Public Private Partnership (NCPPP)of the USA.[EB/OL].http://www.ncppp.org/.