Dyfyniad APA

Stead, L., & Lancaster, T. (2005). Group behaviour therapy programmes for smoking cessation.

Dyfyniad Arddull Chicago

Stead, L., and T. Lancaster. Group Behaviour Therapy Programmes for Smoking Cessation. 2005.

Dyfyniad MLA

Stead, L., and T. Lancaster. Group Behaviour Therapy Programmes for Smoking Cessation. 2005.

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