American Water Works Association & ebrary, Inc. (2001). Emergency planning for water utilities (4th ed.). American Water Works Association.
Citação do estilo Chicago (17ª ed.)American Water Works Association e Inc ebrary. Emergency Planning for Water Utilities. 4th ed. Denver, Colo.: American Water Works Association, 2001.
Citação MLA (9ª ed.)American Water Works Association e Inc ebrary. Emergency Planning for Water Utilities. 4th ed. American Water Works Association, 2001.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.