APA-referens (7:e uppl.)

Chang, W., & Winters, L. A. (1999). How regional blocs affect excluded countries: The price effects of MERCOSUR. World Bank.

Chicago-referens (17:e uppl.)

Chang, Won, och L. Alan Winters. How Regional Blocs Affect Excluded Countries: The Price Effects of MERCOSUR. Washington, D.C: World Bank, 1999.

MLA-referens (9:e uppl.)

Chang, Won, och L. Alan Winters. How Regional Blocs Affect Excluded Countries: The Price Effects of MERCOSUR. World Bank, 1999.