Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Mahncke, Dieter and Gstöhl, Sieglinde and Rompuy, Herman van","European Union diplomacy : coherence, unity and effectiveness",,P.I.E. Peter Lang,2012,College of Europe studies,,9789052018423,,https://cir.nii.ac.jp/crid/1130000798138158848