Cita APA (7th ed.)

Travis, A. S. (2011). Planning for tourism, leisure and sustainability: International case studies. CAB International.

Cita Chicago (17th ed.)

Travis, Anthony S. Planning for Tourism, Leisure and Sustainability: International Case Studies. Cambridge, Mass.: CAB International, 2011.

Cita MLA (9th ed.)

Travis, Anthony S. Planning for Tourism, Leisure and Sustainability: International Case Studies. CAB International, 2011.