Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

Precaución: Estas citas no son 100% exactas.