Fay, M., & Yepes, T. (2003). Investing in infrastructure: What is needed from 2002 to 2010n. Infrastructure Vice Presidency.
Chicago-referens (17:e uppl.)Fay, Marianne, och Tito Yepes. Investing in Infrastructure: What Is Needed from 2002 to 2010n. Washington, D.C: Infrastructure Vice Presidency, 2003.
MLA-referens (9:e uppl.)Fay, Marianne, och Tito Yepes. Investing in Infrastructure: What Is Needed from 2002 to 2010n. Infrastructure Vice Presidency, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.