Dyfyniad APA

The Journal of Association of Chest Physicians | Wolters Kluwer Medknow Publications. Cambridge University Press.

Dyfyniad Arddull Chicago

The Journal of Association of Chest Physicians | Wolters Kluwer Medknow Publications. Cambridge University Press.

Dyfyniad MLA

The Journal of Association of Chest Physicians | Wolters Kluwer Medknow Publications. Cambridge University Press.

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