Smith, A., & Skinner, A. (1999). The wealth of nations: Books 1-3. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Smith, Adam, agus Andrew Skinner. The Wealth of Nations: Books 1-3. London: Penguin Books, 1999.
Lua MLA (9ú heag.)Smith, Adam, agus Andrew Skinner. The Wealth of Nations: Books 1-3. Penguin Books, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.