Vickrey, C. V. (1949). Tips, tithes, taxes: The cost of war, the price of peace, thoughtful giving, triumphant living, the golden rule way. Golden Rule Foundation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vickrey, Charles V. Tips, Tithes, Taxes: The Cost of War, the Price of Peace, Thoughtful Giving, Triumphant Living, the Golden Rule Way. New York: Golden Rule Foundation, 1949.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Vickrey, Charles V. Tips, Tithes, Taxes: The Cost of War, the Price of Peace, Thoughtful Giving, Triumphant Living, the Golden Rule Way. Golden Rule Foundation, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.