Brook, P. J., & Irwin, T. (2002). Infrastructure for poor people: Public policy for private provision. World Bank.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBrook, Penelope J., এবং Timothy Irwin. Infrastructure for Poor People: Public Policy for Private Provision. Washington, DC: World Bank, 2002.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBrook, Penelope J., এবং Timothy Irwin. Infrastructure for Poor People: Public Policy for Private Provision. World Bank, 2002.