Cita APA (7a ed.)

Yarbrough, B. V., & Yarbrough, R. M. (1997). The world economy: Trade and finance (4th ed.). Dryden.

Cita Chicago Style (17a ed.)

Yarbrough, Beth V., y Robert M. Yarbrough. The World Economy: Trade and Finance. 4th ed. Fort Worth [etc.]: Dryden, 1997.

Cita MLA (9a ed.)

Yarbrough, Beth V., y Robert M. Yarbrough. The World Economy: Trade and Finance. 4th ed. Dryden, 1997.