APA引文

(2007). Principles of town water supply and sanitation. Washington DC: The World Bank.

Trích dẫn kiểu Chicago

Principles of Town Water Supply and Sanitation. Washington DC: The World Bank, 2007.

MLA引文

Principles of Town Water Supply and Sanitation. Washington DC: The World Bank, 2007.

警告：這些引文格式不一定是100％准確.