World Bank & ebrary, Inc. (2012). 2012 Information and communications for development: Maximizing mobile. World Bank.
芝加哥风格引文World Bank 与 Inc ebrary. 2012 Information and Communications for Development: Maximizing Mobile. Washington, D.C.: World Bank, 2012.
MLA引文World Bank 与 Inc ebrary. 2012 Information and Communications for Development: Maximizing Mobile. World Bank, 2012.
警告：这些引文格式不一定是100％准确.