APA-referens

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

Chicago-stil citat

Travis, Anthony S; Author. Planning for Tourism, Leisure and Sustainability: International Case Studies. New York, CABI Publishing, 2011.

MLA-referens

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