Dyfyniad APA

(1995). Physicians` Desk Reference (49 ed.). Printed on Recycled Paper.

Dyfyniad Arddull Chicago

Physicians` Desk Reference. 49 ed. Rockville: Printed on Recycled Paper, 1995.

Dyfyniad MLA

Physicians` Desk Reference. 49 ed. Printed on Recycled Paper, 1995.

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