APA引文

Kingdom, W. D. (2005). Models of aggregation for water and sanitation provision. Washington DC: World Bank.

Trích dẫn kiểu Chicago

Kingdom, William D. Models of Aggregation for Water and Sanitation Provision. Washington DC: World Bank, 2005.

MLA引文

Kingdom, William D. Models of Aggregation for Water and Sanitation Provision. Washington DC: World Bank, 2005.

警告：這些引文格式不一定是100％准確.