Cita APA (7th ed.)

Hoekman, B. M., & Ozden, C. (2005). Trade preferences and differential treatment of developing countries: A selective survey. World Bank.

Cita Chicago (17th ed.)

Hoekman, Bernard M., i Caglar Ozden. Trade Preferences and Differential Treatment of Developing Countries: A Selective Survey. Washington, D.C: World Bank, 2005.

Cita MLA (9th ed.)

Hoekman, Bernard M., i Caglar Ozden. Trade Preferences and Differential Treatment of Developing Countries: A Selective Survey. World Bank, 2005.