Cita APA (7a ed.)

Ormsby, T., & Alvi, J. (1999). Extending ArcView GIS: Teach yourself to use ArcView GIS extensions : network analyst, spatial analyst, 3D analyst : self-study workbook for ArcView GIS users. ESRI Press.

Cita Chicago Style (17a ed.)

Ormsby, Tim, y Jonell Alvi. Extending ArcView GIS: Teach Yourself to Use ArcView GIS Extensions : Network Analyst, Spatial Analyst, 3D Analyst : Self-study Workbook for ArcView GIS Users. Redlands, Calif.: ESRI Press, 1999.

Cita MLA (9a ed.)

Ormsby, Tim, y Jonell Alvi. Extending ArcView GIS: Teach Yourself to Use ArcView GIS Extensions : Network Analyst, Spatial Analyst, 3D Analyst : Self-study Workbook for ArcView GIS Users. ESRI Press, 1999.