Dyfyniad APA

Appleyard, D. R., & Field, A. J. (1995). International economics (2nd ed.). Irwin.

Dyfyniad Arddull Chicago

Appleyard, Dennis R., and Alfred J. Field. International Economics. 2nd ed. Chicago: Irwin, 1995.

Dyfyniad MLA

Appleyard, Dennis R., and Alfred J. Field. International Economics. 2nd ed. Irwin, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.