GIS/LIS : Phoenix, American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, Association of American Geographers, & Urban and Regional Information Systems Association. (1994). GIS: 25-27 October, 1994, Phoenix, Arizona. American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping.
Παραπομπή σε μορφή Chicago (17η εκδ.)GIS/LIS : Phoenix, American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, Association of American Geographers, και Urban and Regional Information Systems Association. GIS: 25-27 October, 1994, Phoenix, Arizona. Bethesda: American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, 1994.
Παραπομπή σε μορφή MLA (9th εκδ.)GIS/LIS : Phoenix, et al. GIS: 25-27 October, 1994, Phoenix, Arizona. American Society for Photogrammetry and Remote Sensing, American Congress on Surveying and Mapping, 1994.