Brook, P. J., & Irwin, T. (2002). Infrastructure for poor people: Public policy for private provision. World Bank.
Chicago-čujuhus (17. p.)Brook, Penelope J., juo Timothy Irwin. Infrastructure for Poor People: Public Policy for Private Provision. Washington, DC: World Bank, 2002.
MLA-čujuhus (9. p.)Brook, Penelope J., juo Timothy Irwin. Infrastructure for Poor People: Public Policy for Private Provision. World Bank, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.