Παραπομπή APA

Kraak, M., Molenaar, M., & Fendel, E. M. (1997). Advances in GIS research II: Proceedings of the Seventh International Symposium on Spatial Data Handling. London: Taylor & Francis.

Παραπομπή Chicago Style

Kraak, Menno-Jan, Martien Molenaar, and Elfriede M. Fendel. Advances in GIS Research II: Proceedings of the Seventh International Symposium On Spatial Data Handling. London: Taylor & Francis, 1997.

Παραπομπή MLA

Kraak, Menno-Jan, Martien Molenaar, and Elfriede M. Fendel. Advances in GIS Research II: Proceedings of the Seventh International Symposium On Spatial Data Handling. London: Taylor & Francis, 1997.

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