Gaya APA

Widyatmini, ., Mitchell, A. (2005). The Esri Guide To Gis Analysis Volume 2: Spatial Measurements And Statistics (Ed. 1,-). Redlands: Esri Press.

Gaya MLA

Widyatmini, ., Mitchell, Andy. "The Esri Guide To Gis Analysis Volume 2: Spatial Measurements And Statistics". Ed. 1,- Redlands: Esri Press, 2005. Text.