APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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