APA-referens (7:e uppl.)
OConnor, P., Hpken, W., & Gretzel, U. (2008). Information and Communication Technologies in Tourism 2008: Proceedings of the International Conference in Innsbruck, Austria, 2008. Springer Vienna. https://doi.org/10.1007/978-3-211-77280-5
Chicago-referens (17:e uppl.)
OConnor, Peter, Wolfram Hpken, och Ulrike Gretzel. Information and Communication Technologies in Tourism 2008: Proceedings of the International Conference in Innsbruck, Austria, 2008. Vienna: Springer Vienna, 2008. https://doi.org/10.1007/978-3-211-77280-5.
MLA-referens (9:e uppl.)
OConnor, Peter, et al. Information and Communication Technologies in Tourism 2008: Proceedings of the International Conference in Innsbruck, Austria, 2008. Springer Vienna, 2008. https://doi.org/10.1007/978-3-211-77280-5.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.