Cita APA (7th ed.)

Winters, L. A., & Chang, W. (1997). Regional integration and the prices of imports: An empirical investigation. World Bank.

Cita Chicago (17th ed.)

Winters, L. Alan, i Won Chang. Regional Integration and the Prices of Imports: An Empirical Investigation. Washington, D.C: World Bank, 1997.

Cita MLA (9th ed.)

Winters, L. Alan, i Won Chang. Regional Integration and the Prices of Imports: An Empirical Investigation. World Bank, 1997.