International Association for Development of the Information Society, Kinshuk, Sampson, D. G., & Isaías, P. (2004). Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2004), Lisbon, Portugal, December 15-17, 2004. IADIS.
Chicago-Zitierstil (17. Ausg.)International Association for Development of the Information Society, Kinshuk, Demetrios G. Sampson, und Pedro Isaías. Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2004), Lisbon, Portugal, December 15-17, 2004. Lisbon: IADIS, 2004.
MLA-Zitierstil (9. Ausg.)International Association for Development of the Information Society, et al. Proceedings of the IADIS International Conference on Cognition and Exploratory Learning in Digital Age (CELDA 2004), Lisbon, Portugal, December 15-17, 2004. IADIS, 2004.