Dowd, D. F. (1962). Modern economic problems in historical perspective. Heath.
Lua i Stíl Chicago (17ú heag.)Dowd, Douglas Fitzgerald. Modern Economic Problems in Historical Perspective. Boston: Heath, 1962.
Lua MLA (9ú heag.)Dowd, Douglas Fitzgerald. Modern Economic Problems in Historical Perspective. Heath, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.