ebrary, Inc, Croitoru, L., & Sarraf, M. (2010). The cost of environmental degradation: Case studies from the Middle East and North Africa. World Bank.
芝加哥风格引文ebrary, Inc, Lelia Croitoru, 与 Maria Sarraf. The Cost of Environmental Degradation: Case Studies from the Middle East and North Africa. Washington, D.C.: World Bank, 2010.
MLA引文ebrary, Inc, et al. The Cost of Environmental Degradation: Case Studies from the Middle East and North Africa. World Bank, 2010.
警告：这些引文格式不一定是100％准确.