Ryu, Sarah, King, Brian and Zuhair, Segu (2013) The Perceived Risks of Traveling Overseas: Evidence From Korea. Tourism Review International, 17 (2). pp. 75-88. ISSN 1544-2721 (print) 1943-4421 (online)

Ryu, Sarah and Zuhair, Segu (2011) Travel Risk Perception : Its Impact on Traveller Decisions. Lambert Academic Publishing, Saarbrücken, Germany.

Ryu, Sarah (2010) Travel risk perception : a study of the factors affecting risk perception of tourism destinations. PhD thesis, Victoria University.