Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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