American Water Works Association & ebrary, Inc. (2001). Emergency planning for water utilities (4th ed.). American Water Works Association.
Chicagoスタイル(17版)引用形式American Water Works Association , Inc ebrary. Emergency Planning for Water Utilities. 4th ed. Denver, Colo.: American Water Works Association, 2001.
MLA(9版)引用形式American Water Works Association , Inc ebrary. Emergency Planning for Water Utilities. 4th ed. American Water Works Association, 2001.
警告: この引用は必ずしも正確ではありません.