Dyfyniad APA

The University of Louisville Journal of Respiratory Infections | University of Louisville. Cambridge University Press.

Dyfyniad Arddull Chicago

The University of Louisville Journal of Respiratory Infections | University of Louisville. Cambridge University Press.

Dyfyniad MLA

The University of Louisville Journal of Respiratory Infections | University of Louisville. Cambridge University Press.

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