Lipsey, R. (2015). Economics (3rd.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Lipsey, Richard. Economics. 3rd. Oxford University Press, 2015.
Lua MLA (9ú heag.)Lipsey, Richard. Economics. 3rd. Oxford University Press, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.