Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.