Cita APA (7a ed.)

Sinclair, P., & Vines, D. (1995). Bigger Trade Blocs Need Not Entail More Protection. Department of Economics (University of Birmingham).

Cita Chicago Style (17a ed.)

Sinclair, P., y D. Vines. Bigger Trade Blocs Need Not Entail More Protection. Department of Economics (University of Birmingham), 1995.

Cita MLA (9a ed.)

Sinclair, P., y D. Vines. Bigger Trade Blocs Need Not Entail More Protection. Department of Economics (University of Birmingham), 1995.