APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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