Ropke, W. (1960). A humane economy: The social framework of the free market. H. Regnery.
Lua i Stíl Chicago (17ú heag.)Ropke, Wilhelm. A Humane Economy: The Social Framework of the Free Market. Chicago: H. Regnery, 1960.
Lua MLA (9ú heag.)Ropke, Wilhelm. A Humane Economy: The Social Framework of the Free Market. H. Regnery, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.