Wilks, J., Pendergast, D., & Leggat, P. (2006). Tourism in turbulent times: Towards safe experiences for visitors. Elsevier.
Chicago-viite (17. p.)Wilks, Jeff, Donna Pendergast, ja Peter Leggat. Tourism in Turbulent Times: Towards Safe Experiences for Visitors. Amsterdam: Elsevier, 2006.
MLA-viite (8. p.)Wilks, Jeff, et al. Tourism in Turbulent Times: Towards Safe Experiences for Visitors. Elsevier, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.