Gilbert, M., & Gilbert, M. (2012). European integration: A concise history. The Rowman & Littlefield Publishing Group.
Lua i Stíl Chicago (17ú heag.)Gilbert, Mark, agus Mark Gilbert. European Integration: A Concise History. The Rowman & Littlefield Publishing Group, 2012.
Lua MLA (9ú heag.)Gilbert, Mark, agus Mark Gilbert. European Integration: A Concise History. The Rowman & Littlefield Publishing Group, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.