Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Janowicz, K., Raubal, M., & Levashkin, S. (2009). GeoSpatial Semantics: Third International Conference, GeoS 2009, Mexico City, Mexico, December 3-4, 2009. Proceedings. Springer Berlin Heidelberg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Krzysztof Janowicz, Martin Raubal, και Sergei Levashkin. GeoSpatial Semantics: Third International Conference, GeoS 2009, Mexico City, Mexico, December 3-4, 2009. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. GeoSpatial Semantics: Third International Conference, GeoS 2009, Mexico City, Mexico, December 3-4, 2009. Proceedings. Springer Berlin Heidelberg, 2009.