Cita APA

ebrary, Inc, Mahncke, D., & Gstöhl, S. (2012). European Union diplomacy: Coherence, unity and effectiveness. P.I.E. Peter Lang.

Citación estilo Chicago

ebrary, Inc, Dieter Mahncke, and Sieglinde Gstöhl. European Union Diplomacy: Coherence, Unity and Effectiveness. New York: P.I.E. Peter Lang, 2012.

Cita MLA

ebrary, Inc, et al. European Union Diplomacy: Coherence, Unity and Effectiveness. P.I.E. Peter Lang, 2012.