Paul, R. E. (1955). The history and philosophy of taxation: A conference held at the College of William and Mary in Virginia, April 15, 1955. s. n.
Chicago-referens (17:e uppl.)Paul, Randolph Everinghim. The History and Philosophy of Taxation: A Conference Held at the College of William and Mary in Virginia, April 15, 1955. Williamsburg: s. n, 1955.
MLA-referens (9:e uppl.)Paul, Randolph Everinghim. The History and Philosophy of Taxation: A Conference Held at the College of William and Mary in Virginia, April 15, 1955. s. n, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.