APA引文

World Health Organization. (1971). Family planning in health services; report of a WHO expert committee. s.n.

Chicago Style (17th ed.) Citation

World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. Geneva: s.n, 1971.

MLA引文

World Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. s.n, 1971.

警告：這些引文格式不一定是100％准確.