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2. Andreasen, A.R. (1968). Leisure mobility and lifestyle patterns. American Marketing Association Conference Proceedings (pp. 55–62). Washington
3. Berg, H-Y. (1994). Lifestyle, traffic and young drivers – an interview study (VTI Report 389A). Linköping: Swedish National Road and Transport Research Institute
4. Cluster analysis;Everitt,1993
5. Gregersen, N. P., & Berg, H-Y. (1993). Lifestyle and accidents among young drivers. Accident Analysis & Prevention, 26, 297–303