ebrary, Inc, Mahncke, D., & Gstöhl, S. (2012). European Union diplomacy: Coherence, unity and effectiveness. P.I.E. Peter Lang.
Chicago Style (17th ed.) Citationebrary, Inc, Dieter Mahncke, and Sieglinde Gstöhl. European Union Diplomacy: Coherence, Unity and Effectiveness. New York: P.I.E. Peter Lang, 2012.
MLA引文ebrary, Inc, et al. European Union Diplomacy: Coherence, Unity and Effectiveness. P.I.E. Peter Lang, 2012.
警告:這些引文格式不一定是100%准確.