Clapham J, H. (1963). The Economic Development of France & Germany 1815 - 1914 (Fourth edition.). Cambridge at University press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clapham J, H. The Economic Development of France & Germany 1815 - 1914. Fourth edition. London: Cambridge at University press, 1963.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Clapham J, H. The Economic Development of France & Germany 1815 - 1914. Fourth edition. Cambridge at University press, 1963.