APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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