Lua APA (7ú heag.)

Pugel, T. (2009). International economics (14th ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Pugel, Thomas. International Economics. 14th ed. Boston: McGraw-Hill, 2009.

Lua MLA (9ú heag.)

Pugel, Thomas. International Economics. 14th ed. McGraw-Hill, 2009.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.