Bowle, J. (1979). A history of Europe: A cultural and political survey. Sapere books.
Lua i Stíl Chicago (17ú heag.)Bowle, John. A History of Europe: A Cultural and Political Survey. uk: Sapere books, 1979.
Lua MLA (9ú heag.)Bowle, John. A History of Europe: A Cultural and Political Survey. Sapere books, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.