APA引文

Kühnhardt, L. (2008). European Union - The Second Founding: The Changing Rationale of European Integration. Nomos Verlagsgesellschaft mbH & Co. KG.

芝加哥风格引文

Kühnhardt, Ludger. European Union - The Second Founding: The Changing Rationale of European Integration. Baden-Baden: Nomos Verlagsgesellschaft mbH & Co. KG, 2008.

MLA引文

Kühnhardt, Ludger. European Union - The Second Founding: The Changing Rationale of European Integration. Nomos Verlagsgesellschaft mbH & Co. KG, 2008.

警告：这些引文格式不一定是100％准确.