World Health Organization. (1971). Family planning in health services; report of a WHO expert committee. s.n.
Chicagoスタイル(17版)引用形式World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. Geneva: s.n, 1971.
MLA(9版)引用形式World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. s.n, 1971.
警告: この引用は必ずしも正確ではありません.