Koch, P. (2010). Water sources (4th ed.). American Water Works Association.
芝加哥风格引文Koch, Paul. Water Sources. 4th ed. Denver, Colo.: American Water Works Association, 2010.
MLA引文Koch, Paul. Water Sources. 4th ed. American Water Works Association, 2010.
警告：这些引文格式不一定是100％准确.