World Health Organization. (1971). Family planning in health services; report of a WHO expert committee. s.n.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. Geneva: s.n, 1971.
Цитирование MLA (9-е изд.)World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. s.n, 1971.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.