Cita APA (7th ed.)

Ellsworth, P. T., & Leith, J. C. (1975). The international economy (5th ed.). Macmillan.

Cita Chicago (17th ed.)

Ellsworth, Paul Theodore, i James Clark Leith. The International Economy. 5th ed. New York: Macmillan, 1975.

Cita MLA (9th ed.)

Ellsworth, Paul Theodore, i James Clark Leith. The International Economy. 5th ed. Macmillan, 1975.