Zucca, F. (2012). The international relations of local authorities: From institutional twinning to the committee of the regions : fifty years of European integration. P.I.E. Lang.
Chicago Style (17th ed.) ZitazioaZucca, Fabio. The International Relations of Local Authorities: From Institutional Twinning to the Committee of the Regions : Fifty Years of European Integration. Bruxelles: P.I.E. Lang, 2012.
MLA (9th ed.) ZitazioaZucca, Fabio. The International Relations of Local Authorities: From Institutional Twinning to the Committee of the Regions : Fifty Years of European Integration. P.I.E. Lang, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.