Weber Barbara & Hans Wilhelm Mirjam Alfen. (2010). Infrastructure As an Asset Class: Investment strategies, project finance and PPP. Wiley A John Wiley and Sons Ltd Publication.
Lua i Stíl Chicago (17ú heag.)Weber Barbara agus Hans Wilhelm Mirjam Alfen. Infrastructure As an Asset Class: Investment Strategies, Project Finance and PPP. UK: Wiley A John Wiley and Sons Ltd Publication, 2010.
Lua MLA (9ú heag.)Weber Barbara agus Hans Wilhelm Mirjam Alfen. Infrastructure As an Asset Class: Investment Strategies, Project Finance and PPP. Wiley A John Wiley and Sons Ltd Publication, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.