Dyfyniad APA
World Health Organization, Department of Essential Drugs and other Medicines. (2000). Guidelines for drug donations.
Dyfyniad Arddull Chicago
World Health Organization, Department of Essential Drugs and other Medicines. Guidelines for Drug Donations. 2000.
Dyfyniad MLA
World Health Organization, Department of Essential Drugs and other Medicines. Guidelines for Drug Donations. 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.