World Health Organization. (1971). Family planning in health services; report of a WHO expert committee. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. Geneva: s.n, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Family Planning in Health Services; Report of a WHO Expert Committee. s.n, 1971.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.