Williams, M. K. (1972). Abortion: A collision of rights. National Catholic News Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, Mary Kay. Abortion: A Collision of Rights. Washington, D.C.: National Catholic News Service, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, Mary Kay. Abortion: A Collision of Rights. National Catholic News Service, 1972.
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