The ESRI guide to GIS analysis.
Lua i Stíl Chicago (17ú heag.)The ESRI Guide to GIS Analysis.
Lua MLA (8ú heag.)The ESRI Guide to GIS Analysis.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)