1. Andrew, P. S., Young, J. A., & Gibson, J. (1999). How now, mad-cow? Consumer confidence and source credibility during the 1996 BSE scare. European Journal of Marketing, 33(11/12), 1107.
2. Backer-Grøndahl, A., Fyhri, A., Ulleberg, P., & Amundsen, A. (2009). Accidents and unpleasant incidents: Worry in transport and prediction of travel behavior. Risk Analysis, 29(9), 1217.
3. Berlo, D. K., Lemert, J. B., & Mertz, R. J. (1969). Dimensions for evaluating the acceptability of message sources. Public Opinion Quarterly, 33(4), 563–576.
4. Broder, J. F. (2000). Risk analysis and the security survey. Boston: Butterworth-Heineman.
5. Buchanan, R. (2007). Tools for prioritizing food safety concerns: An FDA perspective. Tools for prioritizing food safety concerns workshop. Greenbelt: CFSAN/FDA, JIFSAN.