Sloman, J., & Sutcliffe, M. (1997). Economics (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Sloman, John, agus Mark Sutcliffe. Economics. 3rd ed. Harlow, England ; New York ; New Delhi: Prentice Hall, 1997.
Lua MLA (8ú heag.)Sloman, John, agus Mark Sutcliffe. Economics. 3rd ed. Prentice Hall, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.