Kerf,Michel. (1998). Concessions for infrastructure: A guide to their design and award. World Bank.
Stile di citazione ChicagoKerf,Michel. Concessions for Infrastructure: A Guide to Their Design and Award. Washington: World Bank, 1998.
Citazione MLAKerf,Michel. Concessions for Infrastructure: A Guide to Their Design and Award. World Bank, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.