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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.