Bowle, J. (1979). A history of Europe: A cultural and political survey. Sapere books.
Chicago Style aipamenaBowle, John. A History of Europe: A Cultural and Political Survey. uk: Sapere books, 1979.
MLA aipamenaBowle, John. A History of Europe: A Cultural and Political Survey. Sapere books, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.