Reich, R. B. (1992). The work of nations: Preparing ourselves for 21st century capitalism (First Vintage Books edition.). Vintage Books.
Lua i Stíl Chicago (17ú heag.)Reich, Robert B. The Work of Nations: Preparing Ourselves for 21st Century Capitalism. First Vintage Books edition. New York: Vintage Books, 1992.
Lua MLA (8ú heag.)Reich, Robert B. The Work of Nations: Preparing Ourselves for 21st Century Capitalism. First Vintage Books edition. Vintage Books, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.