APA (7e ed.) Bronvermelding

Frankel, J. A., Stein, E., & Wei, S. (1997). Regional trading blocs in the world economic system. Institute for International Economics.

Chicago (17e ed.) Bronvermelding

Frankel, Jeffrey A., Ernesto Stein, en Shang-Jin Wei. Regional Trading Blocs in the World Economic System. Washington, DC: Institute for International Economics, 1997.

MLA (9e ed.) Bronvermelding

Frankel, Jeffrey A., et al. Regional Trading Blocs in the World Economic System. Institute for International Economics, 1997.

Let op: Deze citaties zijn niet altijd 100% accuraat.