Elder, W. (1863). Debt and resources of the United States: And the effect of secession upon the trade and industry of the loyal states. Philadelphia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Elder, William. Debt and Resources of the United States: And the Effect of Secession upon the Trade and Industry of the Loyal States. Philadelphia, 1863.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Elder, William. Debt and Resources of the United States: And the Effect of Secession upon the Trade and Industry of the Loyal States. Philadelphia, 1863.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.