Greene, R. W. (2001). Open access: GIS in e-Government. ESRI Press.
Lua i Stíl Chicago (17ú heag.)Greene, R. W. Open Access: GIS in E-Government. Redlands, California: ESRI Press, 2001.
Lua MLA (9ú heag.)Greene, R. W. Open Access: GIS in E-Government. ESRI Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.