Dyfyniad APA
DEPARTMENT OF HEALTH AND HUMAN SERVICES. (1994). PREVENTING TOBACCO USE AMONG YOUNG PEOPLE. A REPORT OF THE SURGEON GENERAL. DEPARTMENT OF HEALTH AND HUMAN SERVICES.
Dyfyniad Arddull Chicago
DEPARTMENT OF HEALTH AND HUMAN SERVICES. PREVENTING TOBACCO USE AMONG YOUNG PEOPLE. A REPORT OF THE SURGEON GENERAL. WASHINGTON,DC (USA): DEPARTMENT OF HEALTH AND HUMAN SERVICES, 1994.
Dyfyniad MLA
DEPARTMENT OF HEALTH AND HUMAN SERVICES. PREVENTING TOBACCO USE AMONG YOUNG PEOPLE. A REPORT OF THE SURGEON GENERAL. DEPARTMENT OF HEALTH AND HUMAN SERVICES, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.