Hopken, W., & Gretzel, U. L. (2009). Information and communication technologies in tourism 2009: Proceedings of the International conference in Amsterdam, the Netherlands, 2009. Springer-Verlag/Wein.
Stile di citazione ChicagoHopken, Wolfram.,ed, e Ulrike.,ed. Law Gretzel. Information and Communication Technologies in Tourism 2009: Proceedings of the International Conference in Amsterdam, the Netherlands, 2009. Netherlands: Springer-Verlag/Wein, 2009.
Citazione MLAHopken, Wolfram.,ed, e Ulrike.,ed. Law Gretzel. Information and Communication Technologies in Tourism 2009: Proceedings of the International Conference in Amsterdam, the Netherlands, 2009. Springer-Verlag/Wein, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.