Charalabidis, Y., Zuiderwijk, A., Alexopoulos, C., Janssen, M., Lampoltshammer, T., & Ferro, E. (2020). The World of Open Data. Springer International Publishing.

Charalabidis, Yannis, Anneke Zuiderwijk, Charalampos Alexopoulos, Marijn Janssen, Thomas Lampoltshammer, και Enrico Ferro. The World of Open Data. Springer International Publishing, 2020.

Charalabidis, Yannis, et al. The World of Open Data. Springer International Publishing, 2020.