Kühnhardt, L. (2008). European Union - The Second Founding: The Changing Rationale of European Integration. Nomos Verlagsgesellschaft mbH & Co. KG.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKühnhardt, Ludger. European Union - The Second Founding: The Changing Rationale of European Integration. Baden-Baden: Nomos Verlagsgesellschaft mbH & Co. KG, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKühnhardt, Ludger. European Union - The Second Founding: The Changing Rationale of European Integration. Nomos Verlagsgesellschaft mbH & Co. KG, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.