Douglas, R. K. (1842). Brief considerations on the income tax and tariff reform: In connection with the present state of the currency. [s.n.].
Chicago-Zitierstil (17. Ausg.)Douglas, R. K. Brief Considerations on the Income Tax and Tariff Reform: In Connection with the Present State of the Currency. S.l: [s.n.], 1842.
MLA-Zitierstil (9. Ausg.)Douglas, R. K. Brief Considerations on the Income Tax and Tariff Reform: In Connection with the Present State of the Currency. [s.n.], 1842.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.