Weltgesundheitsorganisation. (1969). Developments in fertility control: Report of a WHO scientific group. Technical report series / World Health Organization.
Chicago-Zitierstil (17. Ausg.)Weltgesundheitsorganisation. "Developments in Fertility Control: Report of a WHO Scientific Group." Technical Report Series / World Health Organization 1969.
MLA-Zitierstil (9. Ausg.)Weltgesundheitsorganisation. "Developments in Fertility Control: Report of a WHO Scientific Group." Technical Report Series / World Health Organization, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.