APA (7th ed.) Zitazioa

Harrod, . R., & Hague, D. (1963). International trade theory in a developing world. Macmillan.

Chicago Style (17th ed.) Zitazioa

Harrod, Roy, eta Douglas Hague. International Trade Theory in a Developing World. London: Macmillan, 1963.

MLA (9th ed.) Zitazioa

Harrod, Roy, eta Douglas Hague. International Trade Theory in a Developing World. Macmillan, 1963.