International Seminal on "Monitoring Geosystems-Perspectives for the 21st Century" & Singh, R. B. (1995). Global environmental change: Perspectives of remote sensing and geographic information system. A. A. Balkema.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Seminal on "Monitoring Geosystems-Perspectives for the 21st Century" και Ram Babu Singh. Global Environmental Change: Perspectives of Remote Sensing and Geographic Information System. Rotterdam: A. A. Balkema, 1995.
Παραπομπή σε μορφή MLA (9th εκδ.)International Seminal on "Monitoring Geosystems-Perspectives for the 21st Century" και Ram Babu Singh. Global Environmental Change: Perspectives of Remote Sensing and Geographic Information System. A. A. Balkema, 1995.
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