Pugel, T. A., & Lindert, P. H. (2000). International economics (11th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pugel, Thomas A., agus Peter H. Lindert. International Economics. 11th ed. Boston: McGraw-Hill, 2000.
Lua MLA (8ú heag.)Pugel, Thomas A., agus Peter H. Lindert. International Economics. 11th ed. McGraw-Hill, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.