APA (7e ed.) Bronvermelding

Appleyard, D. R., Field, A. J., & Cobb, S. L. (2008). International economics (6th ed.). McGraw-Hill/Irwin.

Chicago (17e ed.) Bronvermelding

Appleyard, Dennis R., Alfred J. Field, en Steven L. Cobb. International Economics. 6th ed. New York: McGraw-Hill/Irwin, 2008.

MLA (9e ed.) Bronvermelding

Appleyard, Dennis R., et al. International Economics. 6th ed. McGraw-Hill/Irwin, 2008.