Dyfyniad APA

(1954). National administrations responsible for vital registration and vital statistics.

Dyfyniad Arddull Chicago

National Administrations Responsible for Vital Registration and Vital Statistics. 1954.

Dyfyniad MLA

National Administrations Responsible for Vital Registration and Vital Statistics. 1954.

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