Villot, J. (1978). Letter of Jean Cardinal Villot and Address of Terence Cardinal Cooke on the Occasion of a Symposium on Natural Family Planning: Ten Years of Progress - 1968-1978. Washington, D.C..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillot, Jean. Letter of Jean Cardinal Villot and Address of Terence Cardinal Cooke on the Occasion of a Symposium on Natural Family Planning: Ten Years of Progress - 1968-1978. Washington, D.C., 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVillot, Jean. Letter of Jean Cardinal Villot and Address of Terence Cardinal Cooke on the Occasion of a Symposium on Natural Family Planning: Ten Years of Progress - 1968-1978. Washington, D.C., 1978.
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