Cita APA (7th ed.)

Hoekman, B. (2006). Liberalizing trade in services: A survey. The World Bank.

Cita Chicago (17th ed.)

Hoekman, Bernard. Liberalizing Trade in Services: A Survey. Washington, D.C: The World Bank, 2006.

Cita MLA (9th ed.)

Hoekman, Bernard. Liberalizing Trade in Services: A Survey. The World Bank, 2006.