Ingram, J. C., & Dunn, R. M. (1993). International economics /3e (3rd ed.). John Wiley.
Chicago Style aipamenaIngram, James C., and Robert M. Dunn. International Economics /3e. 3rd ed. New York: John Wiley, 1993.
MLA aipamenaIngram, James C., and Robert M. Dunn. International Economics /3e. 3rd ed. John Wiley, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.