Freeman, R. E. e. (1960). Postwar economic trends in the United States. Harper.
Lua i Stíl Chicago (17ú heag.)Freeman, Ralph Evans ed. Postwar Economic Trends in the United States. New York: Harper, 1960.
Lua MLA (9ú heag.)Freeman, Ralph Evans ed. Postwar Economic Trends in the United States. Harper, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.