Dyfyniad APA

Roemer, R. (1993). Legislative action to combact the world tobacco epidemic (Ed.2.).

Dyfyniad Arddull Chicago

Roemer, Ruth. Legislative Action to Combact the World Tobacco Epidemic. Ed.2. Geneva, WHO, 1993.

Dyfyniad MLA

Roemer, Ruth. Legislative Action to Combact the World Tobacco Epidemic. Ed.2. 1993.

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