Sloman, J., & Sutcliffe, M. (1995). Economics (2nd ed.). Prentice Hall/Harvester wheatsheaf.
Lua i Stíl Chicago (17ú heag.)Sloman, John, agus Mark Sutcliffe. Economics. 2nd ed. Harlow, England ; New York: Prentice Hall/Harvester wheatsheaf, 1995.
Lua MLA (8ú heag.)Sloman, John, agus Mark Sutcliffe. Economics. 2nd ed. Prentice Hall/Harvester wheatsheaf, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.