ebrary, Inc, & Parnell, A. M. (1989). Contraceptive use and controlled fertility: Health issues for women and children : background papers. National Academy Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Allan M. Parnell. Contraceptive Use and Controlled Fertility: Health Issues for Women and Children : Background Papers. Washington, D.C.: National Academy Press, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, और Allan M. Parnell. Contraceptive Use and Controlled Fertility: Health Issues for Women and Children : Background Papers. National Academy Press, 1989.
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