Dyfyniad APA

Hawkins, S. S., Bach, N., & Baum, C. F. (2016). Impact of tobacco control policies on adolescent smoking. J Adolesc Health.

Dyfyniad Arddull Chicago

Hawkins, Summer Sherburne, Nicoline Bach, and Christopher F. Baum. "Impact of Tobacco Control Policies On Adolescent Smoking." J Adolesc Health 2016.

Dyfyniad MLA

Hawkins, Summer Sherburne, Nicoline Bach, and Christopher F. Baum. "Impact of Tobacco Control Policies On Adolescent Smoking." J Adolesc Health 2016.

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