Ritchie, B. W. (2009). Crisis and disaster management for tourism. Channel View Publications.
Cita Chicago (17th ed.)Ritchie, Brent W. Crisis and Disaster Management for Tourism. Bristol: Channel View Publications, 2009.
Cita MLA (9th ed.)Ritchie, Brent W. Crisis and Disaster Management for Tourism. Channel View Publications, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.