Cita APA (7a ed.)

Harrod, R. (1964). International trade theory in a developing world. Macmillan & Co.

Cita Chicago Style (17a ed.)

Harrod, Roy. International Trade Theory in a Developing World. London: Macmillan & Co, 1964.

Cita MLA (9a ed.)

Harrod, Roy. International Trade Theory in a Developing World. Macmillan & Co, 1964.