Dyfyniad APA

Fraser, R. C., & Clayton, D. G. (1981). The accuracy of age—sex registers, practice medical records and family practitioner committee registers.

Dyfyniad Arddull Chicago

Fraser, Robin C., and David G. Clayton. The Accuracy of Age—sex Registers, Practice Medical Records and Family Practitioner Committee Registers. 1981.

Dyfyniad MLA

Fraser, Robin C., and David G. Clayton. The Accuracy of Age—sex Registers, Practice Medical Records and Family Practitioner Committee Registers. 1981.

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