Dyfyniad APA

World Health Organization. (2003). DENGUE BULLETIN. World Health Organization.

Dyfyniad Arddull Chicago

World Health Organization. DENGUE BULLETIN. New Delhi: World Health Organization, 2003.

Dyfyniad MLA

World Health Organization. DENGUE BULLETIN. World Health Organization, 2003.

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