Orthodox Handbook on Ecumenism. Resources for Theological Education (Manual ortodox de ecumenism. Surse pentru educaţia teologică), ed. Pantelis Kalaitzidis, Thomas FitzGerald, Cyril Hovorun, Aikaterini Pekridou, Nikolaos Asproulis, Guy Liagre, Dietrich Werner (Volos/WCC/Regnum, Oxford 2014)