(1964). American growth and the balance of payments, 1820-1913: A study of the long swing. University of North Carolina Press.
Lua i Stíl Chicago (17ú heag.)American Growth and the Balance of Payments, 1820-1913: A Study of the Long Swing. Chapel Hill: University of North Carolina Press, 1964.
Lua MLA (9ú heag.)American Growth and the Balance of Payments, 1820-1913: A Study of the Long Swing. University of North Carolina Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.