1. Australian Bureau of Statistics. (2001).Census of population and housing – SEIFA 2001. Retrieved from http://www.abs.gov.au/Websitedbs/D3110124.NSF/ 24e5997b9bf2ef35ca2567fb00299c59/a17dc48d988 ecf63ca256dad00005ea3!OpenDocument
2. Cohen, M. R. (1999).Medication errors: Causes, prevention, and risk management. Sudbury, MA: Jones and Barlett.
3. SPSS Inc. (2005).Statistical package for the social sciences (SPSS) (version 15.0 for windows grad pack) [computer software]. Chicago, IL: Author.
4. Streiner, D. R. & Norman, G. L. (2008).Health measurement scales. A practical guide to their development and use(4th ed.). Oxford, England: Oxford University Press.
5. The University of Queensland. (2013).Introducing the international statistical classification of diseases in countries: Guidelines for implementing cause-of-death certification, morbidity and mortality coding. Retrieved from www.uq.edu.au/hishub