Cita APA (7a ed.)

Tyler, W., & Gurgel, A. C. (2009). Brazilian trade policies: Some observed and estimated effects of the 1990s liberalization. Universidade de São Paulo.

Cita Chicago Style (17a ed.)

Tyler, William, y Angelo Costa Gurgel. Brazilian Trade Policies: Some Observed and Estimated Effects of the 1990s Liberalization. Universidade de São Paulo, 2009.

Cita MLA (8a ed.)

Tyler, William, y Angelo Costa Gurgel. Brazilian Trade Policies: Some Observed and Estimated Effects of the 1990s Liberalization. Universidade de São Paulo, 2009.

Precaución: Estas citas no son 100% exactas.