Kee, H. L., Nicita, A., & Olarreaga, M. (2006). Estimating trade restrictiveness indices. World Bank.
芝加哥风格引文Kee, Hiau Looi, Alessandro Nicita, 与 Marcelo Olarreaga. Estimating Trade Restrictiveness Indices. Washington, D.C: World Bank, 2006.
MLA引文Kee, Hiau Looi, et al. Estimating Trade Restrictiveness Indices. World Bank, 2006.
警告：这些引文格式不一定是100％准确.