Cita APA (7th ed.)

SPERO, J. E. (1990). The politics of international economic relations.--ed.4. St. Martin's Press.

Cita Chicago (17th ed.)

SPERO, Joan Edelman. The Politics of International Economic Relations.--ed.4. New York: St. Martin's Press, 1990.

Cita MLA (9th ed.)

SPERO, Joan Edelman. The Politics of International Economic Relations.--ed.4. St. Martin's Press, 1990.