Dyfyniad APA
WORLD HEALTH ORGANIZATION GENEVA. (1997). TOBACCO OR HEALTH: A GLOBAL STATUS REPORT. WORLD HEALTH ORGANIZATION.
Dyfyniad Arddull Chicago
WORLD HEALTH ORGANIZATION GENEVA. TOBACCO OR HEALTH: A GLOBAL STATUS REPORT. FRANCE: WORLD HEALTH ORGANIZATION, 1997.
Dyfyniad MLA
WORLD HEALTH ORGANIZATION GENEVA. TOBACCO OR HEALTH: A GLOBAL STATUS REPORT. WORLD HEALTH ORGANIZATION, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.