APA (7th ed.) Zitazioa

American Water Works Association & ebrary, Inc. (2001). Emergency planning for water utilities (4th ed.). American Water Works Association.

Chicago Style (17th ed.) Zitazioa

American Water Works Association eta Inc ebrary. Emergency Planning for Water Utilities. 4th ed. Denver, Colo.: American Water Works Association, 2001.

MLA (9th ed.) Zitazioa

American Water Works Association eta Inc ebrary. Emergency Planning for Water Utilities. 4th ed. American Water Works Association, 2001.