Sloman, J. (2007). Economics (6th.). Published by: Pearson Education.
Lua i Stíl Chicago (17ú heag.)Sloman, John. Economics. 6th. Noida: Published by: Pearson Education, 2007.
Lua MLA (9ú heag.)Sloman, John. Economics. 6th. Published by: Pearson Education, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.