Yarbrough, B. V., & Yarbrough, R. M. (1988). The world economy: Trade and finance. Dryden Press.
Lua i Stíl Chicago (17ú heag.)Yarbrough, Beth V., agus Robert M. Yarbrough. The World Economy: Trade and Finance. Chicago: Dryden Press, 1988.
Lua MLA (8ú heag.)Yarbrough, Beth V., agus Robert M. Yarbrough. The World Economy: Trade and Finance. Dryden Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.