World Health Organization. (1971). Family planning in health services; report of a WHO expert committee. s.n.
Cita Chicago Style (17a ed.)World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. Geneva: s.n, 1971.
Cita MLA (9a ed.)World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. s.n, 1971.
Precaución: Estas citas no son 100% exactas.