APA-Zitierstil (7. Ausg.)
(1980). World health statistics annual 1980: Health personnel and hospital establishments. World Health Organization.
Chicago-Zitierstil (17. Ausg.)
World Health Statistics Annual 1980: Health Personnel and Hospital Establishments. Genéve: World Health Organization, 1980.
MLA-Zitierstil (9. Ausg.)
World Health Statistics Annual 1980: Health Personnel and Hospital Establishments. World Health Organization, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.