APA aipamena

Lancaster, T., & Stead, L. (2005). Self-help interventions for smoking cessation.

Chicago Style aipamena

Lancaster, T., and L. Stead. Self-help Interventions for Smoking Cessation. 2005.

MLA aipamena

Lancaster, T., and L. Stead. Self-help Interventions for Smoking Cessation. 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.