APA استشهاد

Ingram, J. C., & Dunn, R. M. (1993). International economics /3e (3rd ed.). John Wiley.

استشهاد بنمط شيكاغو

Ingram, James C., و Robert M. Dunn. International Economics /3e. 3rd ed. New York: John Wiley, 1993.

MLA استشهاد

Ingram, James C., و Robert M. Dunn. International Economics /3e. 3rd ed. John Wiley, 1993.