International Symposium on Spatial Data Handling Edinburgh, Scotland, International Geographical Union. Commission on GIS, Association for Geographic Information, Waugh, T. C., & Healey, R. G. (1994). Advances in GIS research: Proceedings of the Sixth International Symposium on Spatial Data Handling. Taylor & Francis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Symposium on Spatial Data Handling Edinburgh, Scotland, International Geographical Union. Commission on GIS, Association for Geographic Information, Thomas C. Waugh, और Richard G. Healey. Advances in GIS Research: Proceedings of the Sixth International Symposium on Spatial Data Handling. London: Taylor & Francis, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Symposium on Spatial Data Handling Edinburgh, Scotland, et al. Advances in GIS Research: Proceedings of the Sixth International Symposium on Spatial Data Handling. Taylor & Francis, 1994.