APA
Kerf M., World Bank, . (1998). Concessions for infrastructure. Washington, D.C: World Bank.
Chicago
Kerf Michel, World Bank, . 1998. Concessions for infrastructure. Washington, D.C: World Bank.
Harvard
Kerf M., World Bank, . (1998). Concessions for infrastructure. Washington, D.C: World Bank.
MLA
Kerf Michel, World Bank, . Concessions for infrastructure. Washington, D.C: World Bank. 1998.