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..
Lua i Stíl Chicago (17ú heag.)Villot, 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.
Lua MLA (8ú heag.)Villot, 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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.