Kühnhardt, L. (2008). European Union - The Second Founding: The Changing Rationale of European Integration. Nomos Verlagsgesellschaft mbH & Co. KG.
Chicago-čujuhus (17. p.)Kühnhardt, Ludger. European Union - The Second Founding: The Changing Rationale of European Integration. Baden-Baden: Nomos Verlagsgesellschaft mbH & Co. KG, 2008.
MLA-čujuhus (9. p.)Kühnhardt, Ludger. European Union - The Second Founding: The Changing Rationale of European Integration. Nomos Verlagsgesellschaft mbH & Co. KG, 2008.
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