Cita APA (7a ed.)
Harms-Ringdahl, P. (2007). Identifying possible sources of ammonium ions and arsenic in groundwater in the Nam Du area, Vietnam. SLU/Dept. of Soil Sciences.
Cita Chicago Style (17a ed.)
Harms-Ringdahl, Peter. Identifying Possible Sources of Ammonium Ions and Arsenic in Groundwater in the Nam Du Area, Vietnam. SLU/Dept. of Soil Sciences, 2007.
Cita MLA (9a ed.)
Harms-Ringdahl, Peter. Identifying Possible Sources of Ammonium Ions and Arsenic in Groundwater in the Nam Du Area, Vietnam. SLU/Dept. of Soil Sciences, 2007.
Precaución: Estas citas no son 100% exactas.