Clapham J, H. (1963). The Economic Development of France & Germany 1815 - 1914 (Fourth edition.). Cambridge at University press.
Lua i Stíl Chicago (17ú heag.)Clapham J, H. The Economic Development of France & Germany 1815 - 1914. Fourth edition. London: Cambridge at University press, 1963.
Lua MLA (9ú heag.)Clapham J, H. The Economic Development of France & Germany 1815 - 1914. Fourth edition. Cambridge at University press, 1963.