International Conference on Information and Communication Technologies in Travel and Tourism Cairo, Egypt, & Frew, A. J. (2004). Information and communication technologies in tourism 2004: Proceedings of the international conference in Cairo, Egypt, 2004. Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Information and Communication Technologies in Travel and Tourism Cairo, Egypt, και Andrew J. Frew. Information and Communication Technologies in Tourism 2004: Proceedings of the International Conference in Cairo, Egypt, 2004. New York: Springer, 2004.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference on Information and Communication Technologies in Travel and Tourism Cairo, Egypt, και Andrew J. Frew. Information and Communication Technologies in Tourism 2004: Proceedings of the International Conference in Cairo, Egypt, 2004. Springer, 2004.