American Water Works Association. (2014). Simplified procedures for water examination (Sixth edition.). American Water Works Association.
芝加哥风格引文American Water Works Association. Simplified Procedures for Water Examination. Sixth edition. Denver, Colorado: American Water Works Association, 2014.
MLA引文American Water Works Association. Simplified Procedures for Water Examination. Sixth edition. American Water Works Association, 2014.
警告：这些引文格式不一定是100％准确.