Barker, J. E. (1912). Modern Germany: Her political and economic problems, her foreign and domestic policy, her ambitions, and the causes of her successes and of her failures (4th and very greatly enlarged ed., completely rev. and brought up to January 1912, by J. Ellis Barker.). E. P. Dutton.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barker, J. Ellis. Modern Germany: Her Political and Economic Problems, Her Foreign and Domestic Policy, Her Ambitions, and the Causes of Her Successes and of Her Failures. 4th and very greatly enlarged ed., completely rev. and brought up to January 1912, by J. Ellis Barker. New York: E. P. Dutton, 1912.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Barker, J. Ellis. Modern Germany: Her Political and Economic Problems, Her Foreign and Domestic Policy, Her Ambitions, and the Causes of Her Successes and of Her Failures. 4th and very greatly enlarged ed., completely rev. and brought up to January 1912, by J. Ellis Barker. E. P. Dutton, 1912.