Lancaster, T., & Stead, L. (2005). Self-help interventions for smoking cessation.
Cita Chicago Style (17a ed.)Lancaster, T., y L. Stead. Self-help Interventions for Smoking Cessation. 2005.
Cita MLA (9a ed.)Lancaster, T., y L. Stead. Self-help Interventions for Smoking Cessation. 2005.
Precaución: Estas citas no son 100% exactas.