Gaya APA

Purwanto, E. (1999). Erosion, Sediment Delivery And Soil Conservation In And Upland Agricultural Catchment In West Java Indonesia . : UniversityThe Amsterdam.

Gaya MLA

Purwanto, Edi. "Erosion, Sediment Delivery And Soil Conservation In And Upland Agricultural Catchment In West Java Indonesia". : UniversityThe Amsterdam, 1999. Text.