APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Knörzer, D., & Szodruch, J. (2012). Innovation for sustainable aviation in a global environment: Proceedings of the sixth European Aeronautics Days. IOS Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Dietrich Knörzer, और Joachim Szodruch. Innovation for Sustainable Aviation in a Global Environment: Proceedings of the Sixth European Aeronautics Days. Amsterdam: IOS Press, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Innovation for Sustainable Aviation in a Global Environment: Proceedings of the Sixth European Aeronautics Days. IOS Press, 2012.
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