Dyfyniad APA

Russell, R., & Singh, D. (2007). Which bronchodilator in COPD? Dove Medical Press.

Dyfyniad Arddull Chicago

Russell, Richard, and Dave Singh. Which Bronchodilator in COPD? Dove Medical Press, 2007.

Dyfyniad MLA

Russell, Richard, and Dave Singh. Which Bronchodilator in COPD? Dove Medical Press, 2007.

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