International Conference on Information and Communication Technologies in Tourism & Klein, S. (1996). Information and communication technologies in tourism: Proceedings of the international conference in Innsbruck, Austria, 1996. Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Conference on Information and Communication Technologies in Tourism και Stefan Klein. Information and Communication Technologies in Tourism: Proceedings of the International Conference in Innsbruck, Austria, 1996. Wien: Springer, 1996.
Παραπομπή σε μορφή MLA (9th εκδ.)International Conference on Information and Communication Technologies in Tourism και Stefan Klein. Information and Communication Technologies in Tourism: Proceedings of the International Conference in Innsbruck, Austria, 1996. Springer, 1996.