Dunn, R. M., & Ingram, J. C. (1996). Study guide and workbook to accompany International economics (4th ed.). New York ; Chichester: John Wiley and Sons.
Chicago Style aipamenaDunn, Robert M., và James C. Ingram. Study Guide and Workbook to Accompany International Economics. 4th ed. New York ; Chichester: John Wiley and Sons, 1996.
MLA aipamenaDunn, Robert M., và James C. Ingram. Study Guide and Workbook to Accompany International Economics. 4th ed. New York ; Chichester: John Wiley and Sons, 1996.
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