BRIGGS, P. (1994). Principles Of International Trade And Payments Peter Briggs. Blackwell.
Lua i Stíl Chicago (17ú heag.)BRIGGS, Peter. Principles Of International Trade And Payments Peter Briggs. Blackwell, 1994.
Lua MLA (8ú heag.)BRIGGS, Peter. Principles Of International Trade And Payments Peter Briggs. Blackwell, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.