1. Acton, W.I. (1977). Problems associated with the use of hearing protection. Annals of Occupational Hygiene, 20, 387–395.
2. Atkin, C., & Wallach, L. (Eds.) (1990). Mass communication and public health. Newbury Park, CA: Sage.
3. Brehm, J. (1966). A theory of psychological reactance. New York: Academic Press.
4. Campbell, J.P. (1988). Training design and performance improvement. In J.P. Campbell & R.J. Campbell (Eds.), Productivity in organizations: New perspectives from industrial and organizational psychology (pp. 117–215). San Francisco: Jossey-Bass.
5. Cohen, A. (1977). Factors in successful occupational safety programs. Journal of Safety Research, 9, 168–178.