Moynihan, D., & Titley, B. (2012). Complete economics for cambridge igcse and o-level (Second edition.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Moynihan, Dan, agus Brian Titley. Complete Economics for Cambridge Igcse and O-level. Second edition. Oxford: Oxford University Press, 2012.
Lua MLA (9ú heag.)Moynihan, Dan, agus Brian Titley. Complete Economics for Cambridge Igcse and O-level. Second edition. Oxford University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.