Cita APA (7th ed.)

WALTER, I., & ARESKOUG, K. (1981). International economics.-- Ed.3. John Wiley and Sons.

Cita Chicago (17th ed.)

WALTER, Ingo, i Kaj ARESKOUG. International Economics.-- Ed.3. New York: John Wiley and Sons, 1981.

Cita MLA (9th ed.)

WALTER, Ingo, i Kaj ARESKOUG. International Economics.-- Ed.3. John Wiley and Sons, 1981.