APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.