Cita APA (7th ed.)

Olarreaga, M., Soloaga, I., & Winters, L. A. (1999). What's behind Mercosur's common external tariff? World Bank.

Cita Chicago (17th ed.)

Olarreaga, Marcelo, Isidro Soloaga, i L. Alan Winters. What's Behind Mercosur's Common External Tariff? Washington, D.C: World Bank, 1999.

Cita MLA (9th ed.)

Olarreaga, Marcelo, et al. What's Behind Mercosur's Common External Tariff? World Bank, 1999.