Valletti, T. M., & Estache, A. (1999). The theory of access pricing: An overview for infrastructure regulators. World Bank.
芝加哥风格引文Valletti, Tommaso M., 与 Antonio Estache. The Theory of Access Pricing: An Overview for Infrastructure Regulators. Washington, D.C: World Bank, 1999.
MLA引文Valletti, Tommaso M., 与 Antonio Estache. The Theory of Access Pricing: An Overview for Infrastructure Regulators. World Bank, 1999.
警告：这些引文格式不一定是100％准确.