Dyfyniad APA

World Health Organization. (2008). Who repot on the global tobacco epidemic, 2008. s.n.

Dyfyniad Arddull Chicago

World Health Organization. Who Repot on the Global Tobacco Epidemic, 2008. s.l: s.n, 2008.

Dyfyniad MLA

World Health Organization. Who Repot on the Global Tobacco Epidemic, 2008. s.n, 2008.

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