Germany. Reichsversicherungsamt, Exposition internationale Bruxelles-Tervueren, & Zacher, G. (1897). Guide to the workmen's insurance of the German Empire: Newly composed for the World's Exhibition in Brussels. A. Asher & Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Germany. Reichsversicherungsamt, Exposition internationale Bruxelles-Tervueren, و Georg Zacher. Guide to the Workmen's Insurance of the German Empire: Newly Composed for the World's Exhibition in Brussels. Berlin: A. Asher & Co., 1897.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Germany. Reichsversicherungsamt, et al. Guide to the Workmen's Insurance of the German Empire: Newly Composed for the World's Exhibition in Brussels. A. Asher & Co., 1897.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.