APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.