Gauri, V., & Vawda, A. (2003). Vouchers for basic education in developing countries: A principal-agent perspective. Public Services, Development Research Group, World Bank.
芝加哥风格引文Gauri, Varun, 与 Ayesha Vawda. Vouchers for Basic Education in Developing Countries: A Principal-agent Perspective. Washington, D.C: Public Services, Development Research Group, World Bank, 2003.
MLA引文Gauri, Varun, 与 Ayesha Vawda. Vouchers for Basic Education in Developing Countries: A Principal-agent Perspective. Public Services, Development Research Group, World Bank, 2003.
警告：这些引文格式不一定是100％准确.