Leonhard, J. "Commentary": Conflicting Loyalities and the Crisis of Efficiency - The Imperial Test of the First World War / Jörn Leonhard. Comparing empires : encounters and transfers in the long nineteenth century.(2011).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Leonhard, Jörn. ""Commentary": Conflicting Loyalities and the Crisis of Efficiency - The Imperial Test of the First World War / Jörn Leonhard." Comparing Empires : Encounters and Transfers in the Long Nineteenth Century.(2011) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Leonhard, Jörn. ""Commentary": Conflicting Loyalities and the Crisis of Efficiency - The Imperial Test of the First World War / Jörn Leonhard." Comparing Empires : Encounters and Transfers in the Long Nineteenth Century.(2011), .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.