1. Department of Employment and Industrial Relations and Australian Bureau of Statistics (1983). Australian Standard Classification of Occupations Dictionary, Working Draft. Canberra: Australian Government Publishing Service.
2. Droege, R.C. (1988). Review of the Harrington O'Shea Career Decision-Making System. In J.T. Kapes & M.M. Mastie (eds.), A Counselor's Guide to Career Assessment Instruments (2nd edn.). Alexandria, VA: The National Development Association, pp. 86?90.
3. Gottfredson, G.D. & Holland, J.L. (1989). Dictionary of Holland Occupational Codes (2nd edn.). Odessa, FL: Psychological Assessment Resources Inc.
4. Hansen, J.C. (1987). Cross-cultural research on vocational interests. Measurement and Evaluation in Counseling and Development 19: 163?176.
5. Harrington, T.F. (1986). The construct validity of the Carrer Decision-Making System cross-culturally. International Journal for the Advancement of Counselling 9 (4): 331?33.