Cita APA (7th ed.)
ebrary, Inc, Mahncke, D., & Gstöhl, S. (2012). European Union diplomacy: Coherence, unity and effectiveness. P.I.E. Peter Lang.
Cita Chicago (17th ed.)
ebrary, Inc, Dieter Mahncke, i Sieglinde Gstöhl. European Union Diplomacy: Coherence, Unity and Effectiveness. New York: P.I.E. Peter Lang, 2012.
Cita MLA (9th ed.)
ebrary, Inc, et al. European Union Diplomacy: Coherence, Unity and Effectiveness. P.I.E. Peter Lang, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.