Estache, A., & Quesada, L. (2001). Concession contract renegotiations: Some efficiency versus equity dilemmas. World Bank.
Lua i Stíl Chicago (17ú heag.)Estache, Antonio, agus Lucia Quesada. Concession Contract Renegotiations: Some Efficiency Versus Equity Dilemmas. Washington, D.C: World Bank, 2001.
Lua MLA (9ú heag.)Estache, Antonio, agus Lucia Quesada. Concession Contract Renegotiations: Some Efficiency Versus Equity Dilemmas. World Bank, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.