(1964). American growth and the balance of payments, 1820-1913: A study of the long swing. University of North Carolina Press.
Dyfyniad Arddull ChicagoAmerican Growth and the Balance of Payments, 1820-1913: A Study of the Long Swing. Chapel Hill: University of North Carolina Press, 1964.
Dyfyniad MLAAmerican Growth and the Balance of Payments, 1820-1913: A Study of the Long Swing. University of North Carolina Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.