Cita APA (7a ed.)

Banco Mundial & Collier, P. (2000). Trade blocs. University Press for the World Bank.

Cita Chicago Style (17a ed.)

Banco Mundial y Paul Collier. Trade Blocs. Oxford [etc.]: University Press for the World Bank, 2000.

Cita MLA (9a ed.)

Banco Mundial y Paul Collier. Trade Blocs. University Press for the World Bank, 2000.