Dyfyniad APA

Knight, S., & Morris, P. (2008). Azathioprine and Steroids. Elsevier.

Dyfyniad Arddull Chicago

Knight, SR, and P. Morris. Azathioprine and Steroids. Elsevier, 2008.

Dyfyniad MLA

Knight, SR, and P. Morris. Azathioprine and Steroids. Elsevier, 2008.

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