ESRI International User Conference, San Diego, Calif, & Environmental Systems Research Institute. (2009). Proceedings of the 2009 ESRI International User Conference papers: Held July 13, 2009, in San Diego, California. ESRI.
Chicago-Zitierstil (17. Ausg.)ESRI International User Conference, San Diego, Calif, und Environmental Systems Research Institute. Proceedings of the 2009 ESRI International User Conference Papers: Held July 13, 2009, in San Diego, California. Redlands, Calif: ESRI, 2009.
MLA-Zitierstil (9. Ausg.)ESRI International User Conference, San Diego, Calif, und Environmental Systems Research Institute. Proceedings of the 2009 ESRI International User Conference Papers: Held July 13, 2009, in San Diego, California. ESRI, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.