Cita APA (7th ed.)
Yarbrough Beth V. (1991). The world economy: Trade and finance (2nd ed.). Dryden press.
Cita Chicago (17th ed.)
Yarbrough Beth V. The World Economy: Trade and Finance. 2nd ed. Chicago: Dryden press, 1991.
Cita MLA (9th ed.)
Yarbrough Beth V. The World Economy: Trade and Finance. 2nd ed. Dryden press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.