Solow, R. M. (1964). The nature and sources of unemployment in the United States. Almqivst & Wicksell.
Lua i Stíl Chicago (17ú heag.)Solow, Robert M. The Nature and Sources of Unemployment in the United States. Stockholm: Almqivst & Wicksell, 1964.
Lua MLA (9ú heag.)Solow, Robert M. The Nature and Sources of Unemployment in the United States. Almqivst & Wicksell, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.