Dyfyniad APA

World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Sixty years of WHO in Europe. WHO Regional Office for Europe.

Dyfyniad Arddull Chicago

World Health Organization. Regional Office for Europe and Inc ebrary. Sixty Years of WHO in Europe. Copenhagen: WHO Regional Office for Europe, 2010.

Dyfyniad MLA

World Health Organization. Regional Office for Europe and Inc ebrary. Sixty Years of WHO in Europe. WHO Regional Office for Europe, 2010.

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