Dyfyniad APA

Al-Kassimi, F. A., & Alhamad, E. H. (2013). A challenge to the seven widely believed concepts of COPD. Dove Medical Press.

Dyfyniad Arddull Chicago

Al-Kassimi, Feisal A., and Esam H. Alhamad. A Challenge to the Seven Widely Believed Concepts of COPD. Dove Medical Press, 2013.

Dyfyniad MLA

Al-Kassimi, Feisal A., and Esam H. Alhamad. A Challenge to the Seven Widely Believed Concepts of COPD. Dove Medical Press, 2013.

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