Sinclair, P., & Vines, D. (1995). Bigger Trade Blocs Need Not Entail More Protection. Department of Economics (University of Birmingham).
Lua i Stíl Chicago (17ú heag.)Sinclair, P., agus D. Vines. Bigger Trade Blocs Need Not Entail More Protection. Department of Economics (University of Birmingham), 1995.
Lua MLA (9ú heag.)Sinclair, P., agus D. Vines. Bigger Trade Blocs Need Not Entail More Protection. Department of Economics (University of Birmingham), 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.