Dyfyniad APA

Keeley, D., & Osman, L. (2001). Dysfunctional breathing and asthma. It is important to tell the difference.

Dyfyniad Arddull Chicago

Keeley, D., and L. Osman. Dysfunctional Breathing and Asthma. It Is Important to Tell the Difference. 2001.

Dyfyniad MLA

Keeley, D., and L. Osman. Dysfunctional Breathing and Asthma. It Is Important to Tell the Difference. 2001.

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