International conference on Information and Communication Technologies in Tourism, O'Connor, P., Hopken, W., & Gretzel, U. (2008). Information and communication technologies in tourism 2008: Proceedings of the international conference in Innsbruck, Austria. Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)International conference on Information and Communication Technologies in Tourism, Peter O'Connor, Wolfram Hopken, και Ulrike Gretzel. Information and Communication Technologies in Tourism 2008: Proceedings of the International Conference in Innsbruck, Austria. Wien: Springer, 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)International conference on Information and Communication Technologies in Tourism, et al. Information and Communication Technologies in Tourism 2008: Proceedings of the International Conference in Innsbruck, Austria. Springer, 2008.