American Water Works Association. (2014). Simplified procedures for water examination (Sixth edition.). American Water Works Association.
Chicago Style (17th ed.) CitationAmerican 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:這些引文格式不一定是100%准確.