American Bar Association. Section of Environment, Energy, and Resources. (1999). Trends: ABA Section of Environment, Energy, and Resources newsletter. ABA Section on Environment, Energy, and Resources.
Cita Chicago Style (17a ed.)American Bar Association. Section of Environment, Energy, and Resources. Trends: ABA Section of Environment, Energy, and Resources Newsletter. Chicago, Ill.: ABA Section on Environment, Energy, and Resources, 1999.
Cita MLA (9a ed.)American Bar Association. Section of Environment, Energy, and Resources. Trends: ABA Section of Environment, Energy, and Resources Newsletter. ABA Section on Environment, Energy, and Resources, 1999.
Precaución: Estas citas no son 100% exactas.