1. Abrams, D., Abraham, S. C. S., Spears, R., and Marks, D. (1990). AIDS invulnerability: Relationships, sexual behaviour and attitudes among 16?19 years olds. In Aggleton, P., Davies, P., and Hart, G. (eds.),AIDS: Individual, Cultural and Policy Dimensions. Falmer Press, Brighton, England.
2. Abramson, P. R. (1988). Sexual assessment and the epidemiology of AIDS.J. Sex Res. 25: 323?346.
3. Banks, M. Bates, I., Breakwell, G. M., Bynner, J. Emler, N., Jamieson, L., and Roberts, K. (1992).Careers and Identity Milton Keynes; Open University Press.
4. Becker, M. H., and Joseph, J. G. (1988). AIDS and behavioural change to avoid risk: A review.Am. J. Public. Health 78: 384?410.
5. Bem, D. J. (1972). Self-perception theory. In Berkowitz, L. (ed.),Advances in Experimental Social Psychology, Vol. 6, Academic Press, New York.