Sloman, J. Economics For Business. Pearson.
Lua i Stíl Chicago (17ú heag.)Sloman, John. Economics For Business. Pearson.
Lua MLA (9ú heag.)Sloman, John. Economics For Business. Pearson.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.