Cita APA (7a ed.)

World Tourism Organization. (2011). Policy and practice for global tourism. World Tourism Organization.

Cita Chicago Style (17a ed.)

World Tourism Organization. Policy and Practice for Global Tourism. Madrid: World Tourism Organization, 2011.

Cita MLA (9a ed.)

World Tourism Organization. Policy and Practice for Global Tourism. World Tourism Organization, 2011.

Precaución: Estas citas no son 100% exactas.