Appleyard, D. R. International Eeconomics (8th ed.). MGH.
Lua i Stíl Chicago (17ú heag.)Appleyard, Dennis R. International Eeconomics. 8th ed. MGH.
Lua MLA (9ú heag.)Appleyard, Dennis R. International Eeconomics. 8th ed. MGH.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.