ebrary, Inc, & Porta, E. (2011). Assessing sector performance and inequality in education. World Bank.
芝加哥风格引文ebrary, Inc, 与 Emilio Porta. Assessing Sector Performance and Inequality in Education. Washington, D.C.: World Bank, 2011.
MLA引文ebrary, Inc, 与 Emilio Porta. Assessing Sector Performance and Inequality in Education. World Bank, 2011.
警告：这些引文格式不一定是100％准确.