Sloan, H. S. (1937). Today's economics. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Sloan, Harold S. Today's Economics. New York: Prentice-Hall, 1937.
Lua MLA (8ú heag.)Sloan, Harold S. Today's Economics. Prentice-Hall, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.