World Health Organization. (1971). Family planning in health services; report of a WHO expert committee. s.n.
Chicago-Zitierstil (17. Ausg.)World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. Geneva: s.n, 1971.
MLA-Zitierstil (9. Ausg.)World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. s.n, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.