1. Abrams, D. (1993). Treatment issues: Towards a stepped-care model. Tobacco Control, 2(Suppl.), S17–S29.
2. Abrams, D.B., Emmons, K.M., Iinnan, L., & Biener, L. (1994). Smoking cessation at the workplace: Conceptual and practical considerations. In R. Richmond (Ed.), Interventions for smokers: An international perspective (pp. 137–169). Baltimore: Williams & Wilkins.
3. American Medical Association. (1993). How to help patients stop smoking. Chicago: American Medical Association.
4. Bandura, A. (1986). Social foundations of thought and action: A social cognitive theory. Englewood Cliffs, NJ: Prentice-Hall.
5. Benowitz, N.L. (1983). The use of biologic fluid samples in assessing tobacco smoke consumption. In J. Grabowski & C.S. Bell (Eds.), Measurement in the analysis and treatment of smoking behavior. NIDA Research Monograph 48, DHHS Publication No. ADM 83-1285. Washington, DC: U.S. Government Printing Office.