APA (7 ম সংস্করণ) উদ্ধৃতি

Clarke, G. R., & Wallsten, S. J. (2002). Universal(ly bad) service: Providing infrastructure services to rural and poor urban consumers. Regulation and Competition Policy, Development Research Group, World Bank.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Clarke, George R.G, এবং Scott J. Wallsten. Universal(ly Bad) Service: Providing Infrastructure Services to Rural and Poor Urban Consumers. Washington, D.C: Regulation and Competition Policy, Development Research Group, World Bank, 2002.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Clarke, George R.G, এবং Scott J. Wallsten. Universal(ly Bad) Service: Providing Infrastructure Services to Rural and Poor Urban Consumers. Regulation and Competition Policy, Development Research Group, World Bank, 2002.