Cita APA (7a ed.)

Appleyard, D. R., & Field, A. J. (1992). International economics. Irwin.

Cita Chicago Style (17a ed.)

Appleyard, Dennis R., y Alfred J. Field. International Economics. Homewood [etc.]: Irwin, 1992.

Cita MLA (9a ed.)

Appleyard, Dennis R., y Alfred J. Field. International Economics. Irwin, 1992.