Cita APA (7th ed.)
States, S. (2010). Security and emergency planning for water and wastewater utilities. American Water Works Association.
Cita Chicago (17th ed.)
States, Stanley. Security and Emergency Planning for Water and Wastewater Utilities. Denver, Colo.: American Water Works Association, 2010.
Cita MLA (9th ed.)
States, Stanley. Security and Emergency Planning for Water and Wastewater Utilities. American Water Works Association, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.