Dyfyniad APA

(2012). Defusing the demographic “time-bomb” in Germany. World Health Organization.

Dyfyniad Arddull Chicago

Defusing the Demographic “time-bomb” in Germany. World Health Organization, 2012.

Dyfyniad MLA

Defusing the Demographic “time-bomb” in Germany. World Health Organization, 2012.

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