APA (7 वां संस्करण) प्रशस्ति पत्र
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
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
OConnor, Peter, Wolfram Hpken, और 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.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
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.
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